MULTISPECIES: chemotaxis response regulator protein-glutamate methylesterase [unclassified Pseudoalteromonas]
Protein Classification
protein-glutamate methylesterase/protein-glutamine glutaminase( domain architecture ID 11479194)
protein-glutamate methylesterase/protein-glutamine glutaminase is part of a chemotaxis signal transduction system that modulates chemotaxis in response to various stimuli; it catalyzes the demethylation of specific methylglutamate residues introduced into the chemoreceptors by CheR and also mediates the irreversible deamidation of specific glutamine residues to glutamic acid
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||||
| PRK00742 | PRK00742 | chemotaxis-specific protein-glutamate methyltransferase CheB; |
1-340 | 1.37e-178 | ||||||
chemotaxis-specific protein-glutamate methyltransferase CheB; : Pssm-ID: 234828 [Multi-domain] Cd Length: 354 Bit Score: 498.52 E-value: 1.37e-178
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| Name | Accession | Description | Interval | E-value | ||||||
| PRK00742 | PRK00742 | chemotaxis-specific protein-glutamate methyltransferase CheB; |
1-340 | 1.37e-178 | ||||||
chemotaxis-specific protein-glutamate methyltransferase CheB; Pssm-ID: 234828 [Multi-domain] Cd Length: 354 Bit Score: 498.52 E-value: 1.37e-178
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| CheB_Rec | cd16432 | Chemotaxis response regulator protein-glutamate methylesterase, CheB, with N-terminal REC ... |
157-339 | 1.41e-98 | ||||||
Chemotaxis response regulator protein-glutamate methylesterase, CheB, with N-terminal REC domain; This family contains the methylesterase CheB (EC 3.1.1.61; also known as CheB methylesterase, chemotaxis-specific methylesterase, methyl-accepting chemotaxis protein methyl-esterase, or protein methyl-esterase) domain with a REC domain at the N-terminus. CheB is a phosphorylation-activated response regulator involved in reversible modification of bacterial chemotaxis receptors. Signaling output of the chemotaxis receptors is modulated by CheB and methyltransferase CheR by controlling the level of receptor methylation. The N-terminal regulatory (REC) domain blocks the active site of the C-terminal domain until it is phosphorylated. Reversible methylation of transmembrane chemoreceptors plays an important role in ligand-dependent signaling and cellular adaptation in bacterial chemotaxis. Phosphorylated CheB catalyzes deamidation of specific glutamine residues in the cytoplasmic region of the chemoreceptors and demethylation of specific methyl glutamate residues introduced into the chemoreceptors by CheR. Pssm-ID: 319751 Cd Length: 184 Bit Score: 289.26 E-value: 1.41e-98
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| CheB | COG2201 | Chemotaxis response regulator CheB, contains REC and protein-glutamate methylesterase domains ... |
155-340 | 2.01e-92 | ||||||
Chemotaxis response regulator CheB, contains REC and protein-glutamate methylesterase domains [Signal transduction mechanisms]; Pssm-ID: 441803 Cd Length: 193 Bit Score: 273.89 E-value: 2.01e-92
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| CheB_methylest | pfam01339 | CheB methylesterase; |
158-336 | 6.73e-81 | ||||||
CheB methylesterase; Pssm-ID: 460166 Cd Length: 178 Bit Score: 243.87 E-value: 6.73e-81
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| spore_0_A | TIGR02875 | sporulation transcription factor Spo0A; Spo0A, the stage 0 sporulation protein A, is a ... |
2-106 | 4.83e-16 | ||||||
sporulation transcription factor Spo0A; Spo0A, the stage 0 sporulation protein A, is a transcription factor critical for the initiation of sporulation. It contains a response regulator receiver domain (pfam00072). In Bacillus subtilis, it works together with response regulator Spo0F and the phosphotransferase Spo0B, both of which are missing from at least some sporulating species and thus not part of the endospore forming bacteria minimal gene set. Spo0A, however, is universal among endospore-forming species. [Cellular processes, Sporulation and germination] Pssm-ID: 131922 [Multi-domain] Cd Length: 262 Bit Score: 76.76 E-value: 4.83e-16
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| REC | smart00448 | cheY-homologous receiver domain; CheY regulates the clockwise rotation of E. coli flagellar ... |
2-58 | 8.84e-11 | ||||||
cheY-homologous receiver domain; CheY regulates the clockwise rotation of E. coli flagellar motors. This domain contains a phosphoacceptor site that is phosphorylated by histidine kinase homologues. Pssm-ID: 214668 [Multi-domain] Cd Length: 55 Bit Score: 56.81 E-value: 8.84e-11
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| Name | Accession | Description | Interval | E-value | ||||||
| PRK00742 | PRK00742 | chemotaxis-specific protein-glutamate methyltransferase CheB; |
1-340 | 1.37e-178 | ||||||
chemotaxis-specific protein-glutamate methyltransferase CheB; Pssm-ID: 234828 [Multi-domain] Cd Length: 354 Bit Score: 498.52 E-value: 1.37e-178
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| PRK12555 | PRK12555 | chemotaxis-specific protein-glutamate methyltransferase CheB; |
2-340 | 2.38e-138 | ||||||
chemotaxis-specific protein-glutamate methyltransferase CheB; Pssm-ID: 237135 [Multi-domain] Cd Length: 337 Bit Score: 395.79 E-value: 2.38e-138
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| CheB_Rec | cd16432 | Chemotaxis response regulator protein-glutamate methylesterase, CheB, with N-terminal REC ... |
157-339 | 1.41e-98 | ||||||
Chemotaxis response regulator protein-glutamate methylesterase, CheB, with N-terminal REC domain; This family contains the methylesterase CheB (EC 3.1.1.61; also known as CheB methylesterase, chemotaxis-specific methylesterase, methyl-accepting chemotaxis protein methyl-esterase, or protein methyl-esterase) domain with a REC domain at the N-terminus. CheB is a phosphorylation-activated response regulator involved in reversible modification of bacterial chemotaxis receptors. Signaling output of the chemotaxis receptors is modulated by CheB and methyltransferase CheR by controlling the level of receptor methylation. The N-terminal regulatory (REC) domain blocks the active site of the C-terminal domain until it is phosphorylated. Reversible methylation of transmembrane chemoreceptors plays an important role in ligand-dependent signaling and cellular adaptation in bacterial chemotaxis. Phosphorylated CheB catalyzes deamidation of specific glutamine residues in the cytoplasmic region of the chemoreceptors and demethylation of specific methyl glutamate residues introduced into the chemoreceptors by CheR. Pssm-ID: 319751 Cd Length: 184 Bit Score: 289.26 E-value: 1.41e-98
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| CheB | COG2201 | Chemotaxis response regulator CheB, contains REC and protein-glutamate methylesterase domains ... |
155-340 | 2.01e-92 | ||||||
Chemotaxis response regulator CheB, contains REC and protein-glutamate methylesterase domains [Signal transduction mechanisms]; Pssm-ID: 441803 Cd Length: 193 Bit Score: 273.89 E-value: 2.01e-92
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| CheB_methylest | pfam01339 | CheB methylesterase; |
158-336 | 6.73e-81 | ||||||
CheB methylesterase; Pssm-ID: 460166 Cd Length: 178 Bit Score: 243.87 E-value: 6.73e-81
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| CheB_like | cd16351 | methylesterase CheB domain family; This family contains the methylesterase CheB (EC 3.1.1.61; ... |
157-337 | 9.21e-63 | ||||||
methylesterase CheB domain family; This family contains the methylesterase CheB (EC 3.1.1.61; also known as CheB methylesterase, chemotaxis-specific methylesterase, methyl-accepting chemotaxis protein methyl-esterase, or protein methyl-esterase) domain, a phosphorylation-activated response regulator involved in reversible modification of bacterial chemotaxis receptors. Signaling output of the chemotaxis receptors is modulated by CheB and methyltransferase CheR by controlling the level of receptor methylation. CheB family members may also contain an N-terminal regulatory (REC) domain, which blocks the active site of the C-terminal domain until it is phosphorylated, or a CheR domain; typically cheB and cheR occur in the same operon. Reversible methylation of transmembrane chemoreceptors plays an important role in ligand-dependent signaling and cellular adaptation in bacterial chemotaxis. Phosphorylated CheB catalyzes deamidation of specific glutamine residues in the cytoplasmic region of the chemoreceptors and demethylation of specific methyl glutamate residues introduced into the chemoreceptors by CheR. Pssm-ID: 319750 Cd Length: 184 Bit Score: 197.79 E-value: 9.21e-63
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| REC_CheB-like | cd17541 | phosphoacceptor receiver (REC) domain of chemotaxis response regulator protein-glutamate ... |
2-126 | 1.29e-59 | ||||||
phosphoacceptor receiver (REC) domain of chemotaxis response regulator protein-glutamate methylesterase CheB and similar chemotaxis proteins; Methylesterase CheB is a chemotaxis response regulator with an N-terminal REC domain and a C-terminal methylesterase domain. Chemotaxis is a behavior known in motile bacteria that directs their movement in response to chemical gradients. CheB is a phosphorylation-activated response regulator involved in the reversible modification of bacterial chemotaxis receptors. It catalyzes the demethylation of specific methylglutamate residues introduced into the chemoreceptors (methyl-accepting chemotaxis proteins) by CheR. The CheB REC domain packs against the active site of the C-terminal domain and inhibits methylesterase activity by directly restricting access to the active site. Also included in this family is chemotaxis response regulator CheY, which contains a stand-alone REC domain, and an uncharacterized subfamily composed of proteins containing an N-terminal REC domain and a C-terminal CheY-P phosphatase (CheC) domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381096 [Multi-domain] Cd Length: 125 Bit Score: 187.60 E-value: 1.29e-59
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| CheB | cd16433 | Chemotaxis response regulator protein-glutamate methylesterase, CheB; This family contains the ... |
157-338 | 4.88e-52 | ||||||
Chemotaxis response regulator protein-glutamate methylesterase, CheB; This family contains the methylesterase CheB (EC 3.1.1.61; also known as CheB methylesterase, chemotaxis-specific methylesterase, methyl-accepting chemotaxis protein methyl-esterase, or protein methyl-esterase) domain, a phosphorylation-activated response regulator involved in reversible modification of bacterial chemotaxis receptors. Signaling output of the chemotaxis receptors is modulated by CheB and methyltransferase CheR by controlling the level of receptor methylation. cheR and cheB have a strong preference to occur in the same operon, and a subgroup contains multidomain proteins with CheB-CheR fusions. Reversible methylation of transmembrane chemoreceptors plays an important role in ligand-dependent signaling and cellular adaptation in bacterial chemotaxis. Phosphorylated CheB catalyzes deamidation of specific glutamine residues in the cytoplasmic region of the chemoreceptors and demethylation of specific methyl glutamate residues introduced into the chemoreceptors by CheR. Pssm-ID: 319752 Cd Length: 181 Bit Score: 170.25 E-value: 4.88e-52
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| CheB-CheR_fusion | cd16434 | Chemotaxis response regulator protein-glutamate methylesterase, CheB, fused with CheR domain; ... |
157-339 | 3.77e-35 | ||||||
Chemotaxis response regulator protein-glutamate methylesterase, CheB, fused with CheR domain; This family contains the methylesterase CheB (EC 3.1.1.61; also known as CheB methylesterase, chemotaxis-specific methylesterase, methyl-accepting chemotaxis protein methyl-esterase, or protein methyl-esterase) domain, a phosphorylation-activated response regulator involved in reversible modification of bacterial chemotaxis receptors, fused with a CheR domain as well as other domains. Signaling output of the chemotaxis receptors is modulated by CheB and methyltransferase CheR by controlling the level of receptor methylation. cheB and cheR are typically found in the same operon. However, CheB and CheR are fused in multi-domain proteins in this subgroup. The CheR protein/domain includes an all-alpha N-terminal domain and an S-adenosylmethionine-dependent methyltransferase C-terminal domain. Reversible methylation of transmembrane chemoreceptors plays an important role in ligand-dependent signaling and cellular adaptation in bacterial chemotaxis. Phosphorylated CheB catalyzes deamidation of specific glutamine residues in the cytoplasmic region of the chemoreceptors and demethylation of specific methyl glutamate residues introduced into the chemoreceptors by CheR. Pssm-ID: 319753 Cd Length: 180 Bit Score: 126.33 E-value: 3.77e-35
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| YesN | COG4753 | Two-component response regulator, YesN/AraC family, consists of REC and AraC-type DNA-binding ... |
3-106 | 2.03e-28 | ||||||
Two-component response regulator, YesN/AraC family, consists of REC and AraC-type DNA-binding domains [Signal transduction mechanisms, Transcription]; Pssm-ID: 443786 [Multi-domain] Cd Length: 103 Bit Score: 106.01 E-value: 2.03e-28
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| LytT | COG3279 | DNA-binding response regulator, LytR/AlgR family [Transcription, Signal transduction ... |
1-106 | 2.80e-27 | ||||||
DNA-binding response regulator, LytR/AlgR family [Transcription, Signal transduction mechanisms]; Pssm-ID: 442510 [Multi-domain] Cd Length: 235 Bit Score: 107.21 E-value: 2.80e-27
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| Response_reg | pfam00072 | Response regulator receiver domain; This domain receives the signal from the sensor partner in ... |
4-106 | 2.10e-25 | ||||||
Response regulator receiver domain; This domain receives the signal from the sensor partner in bacterial two-component systems. It is usually found N-terminal to a DNA binding effector domain. Pssm-ID: 395025 [Multi-domain] Cd Length: 111 Bit Score: 98.38 E-value: 2.10e-25
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| REC_RpfG-like | cd17551 | phosphoacceptor receiver (REC) domain of cyclic di-GMP phosphodiesterase response regulator ... |
3-106 | 2.27e-25 | ||||||
phosphoacceptor receiver (REC) domain of cyclic di-GMP phosphodiesterase response regulator RpfG and similar proteins; Cyclic di-GMP phosphodiesterase response regulator RpfG, together with sensory/regulatory protein RpfC, constitute a two-component system implicated in sensing and responding to the diffusible signal factor (DSF) that is essential for cell-cell signaling. RpfC is a hybrid sensor/histidine kinase that phosphorylates and activates RpfG, which degrades cyclic di-GMP to GMP, leading to the activation of Clp, a global transcriptional regulator that regulates a large set of genes in the DSF pathway. RpfG contains a CheY-like receiver domain attached to a histidine-aspartic acid-glycine-tyrosine-proline (HD-GYP) cyclic di-GMP phosphodiesterase domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381103 [Multi-domain] Cd Length: 118 Bit Score: 98.67 E-value: 2.27e-25
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| REC_CheY | cd17542 | phosphoacceptor receiver (REC) domain of chemotaxis protein CheY; The chemotaxis response ... |
2-106 | 1.80e-24 | ||||||
phosphoacceptor receiver (REC) domain of chemotaxis protein CheY; The chemotaxis response regulator CheY contains a stand-alone REC domain. Chemotaxis is a behavior known for motile bacteria that directs their movement in response to chemical gradients. CheY is involved in transmitting sensory signals from chemoreceptors to the flagellar motors. Phosphorylated CheY interacts with the flagella switch components FliM and FliY, which causes counterclockwise rotation of the flagella, resulting in smooth swimming. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381097 [Multi-domain] Cd Length: 117 Bit Score: 96.19 E-value: 1.80e-24
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| PleD | COG3706 | Two-component response regulator, PleD family, consists of two REC domains and a diguanylate ... |
1-106 | 2.12e-24 | ||||||
Two-component response regulator, PleD family, consists of two REC domains and a diguanylate cyclase (GGDEF) domain [Signal transduction mechanisms, Transcription]; Pssm-ID: 442920 [Multi-domain] Cd Length: 179 Bit Score: 97.67 E-value: 2.12e-24
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| CitB | COG4565 | DNA-binding response regulator DpiB of citrate/malate metabolism [Transcription, Signal ... |
1-123 | 2.36e-24 | ||||||
DNA-binding response regulator DpiB of citrate/malate metabolism [Transcription, Signal transduction mechanisms]; Pssm-ID: 443622 [Multi-domain] Cd Length: 138 Bit Score: 96.58 E-value: 2.36e-24
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| REC | cd00156 | phosphoacceptor receiver (REC) domain of response regulators (RRs) and pseudo response ... |
5-106 | 7.58e-24 | ||||||
phosphoacceptor receiver (REC) domain of response regulators (RRs) and pseudo response regulators (PRRs); Two-component systems (TCSs) involving a sensor and a response regulator are used by bacteria to adapt to changing environments. Processes regulated by two-component systems in bacteria include sporulation, pathogenicity, virulence, chemotaxis, and membrane transport. Response regulators (RRs) share the common phosphoacceptor REC domain and different effector/output domains such as DNA, RNA, ligand-binding, protein-binding, or enzymatic domains. Response regulators regulate transcription, post-transcription or post-translation, or have functions such as methylesterases, adenylate or diguanylate cyclase, c-di-GMP-specific phosphodiesterases, histidine kinases, serine/threonine protein kinases, and protein phosphatases, depending on their output domains. The function of some output domains are still unknown. TCSs are found in all three domains of life - bacteria, archaea, and eukaryotes, however, the presence and abundance of particular RRs vary between the lineages. Archaea encode very few RRs with DNA-binding output domains; most are stand-alone REC domains. Among eukaryotes, TCSs are found primarily in protozoa, fungi, algae, and green plants. REC domains function as phosphorylation-mediated switches within RRs, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381085 [Multi-domain] Cd Length: 99 Bit Score: 93.83 E-value: 7.58e-24
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| Spo0A | COG5801 | Stage 0 sporulation initiation regulator Spo0A (response regulator, REC-HTH domains) [Cell ... |
1-106 | 6.70e-23 | ||||||
Stage 0 sporulation initiation regulator Spo0A (response regulator, REC-HTH domains) [Cell cycle control, cell division, chromosome partitioning, Signal transduction mechanisms]; Pssm-ID: 444503 [Multi-domain] Cd Length: 264 Bit Score: 96.02 E-value: 6.70e-23
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| AtoC | COG2204 | DNA-binding transcriptional response regulator, NtrC family, contains REC, AAA-type ATPase, ... |
1-106 | 8.92e-23 | ||||||
DNA-binding transcriptional response regulator, NtrC family, contains REC, AAA-type ATPase, and a Fis-type DNA-binding domains [Signal transduction mechanisms]; Pssm-ID: 441806 [Multi-domain] Cd Length: 418 Bit Score: 98.11 E-value: 8.92e-23
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| OmpR | COG0745 | DNA-binding response regulator, OmpR family, contains REC and winged-helix (wHTH) domain ... |
1-106 | 1.66e-22 | ||||||
DNA-binding response regulator, OmpR family, contains REC and winged-helix (wHTH) domain [Signal transduction mechanisms, Transcription]; Pssm-ID: 440508 [Multi-domain] Cd Length: 204 Bit Score: 93.48 E-value: 1.66e-22
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| CheY | COG0784 | CheY-like REC (receiver) domain, includes chemotaxis protein CheY and sporulation regulator ... |
1-106 | 4.74e-22 | ||||||
CheY-like REC (receiver) domain, includes chemotaxis protein CheY and sporulation regulator Spo0F [Signal transduction mechanisms]; Pssm-ID: 440547 [Multi-domain] Cd Length: 128 Bit Score: 89.91 E-value: 4.74e-22
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| REC_YesN-like | cd17536 | phosphoacceptor receiver (REC) domain of YesN and related helix-turn-helix containing response ... |
4-108 | 1.67e-21 | ||||||
phosphoacceptor receiver (REC) domain of YesN and related helix-turn-helix containing response regulators; This family is composed of uncharacterized response regulators that contain a REC domain and a AraC family helix-turn-helix (HTH) DNA-binding output domain, including Bacillus subtilis uncharacterized transcriptional regulatory protein YesN and Staphylococcus aureus uncharacterized response regulatory protein SAR0214. YesN is a member of the two-component regulatory system YesM/YesN and SAR0214 is a member of the probable two-component regulatory system SAR0215/SAR0214. Also included in this family is the AlgR-like group of LytTR/AlgR family response, which includes Pseudomonas aeruginosa positive alginate biosynthesis regulatory protein AlgR and Bacillus subtilis sensory transduction protein LytT, among others. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381091 [Multi-domain] Cd Length: 121 Bit Score: 88.16 E-value: 1.67e-21
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| RpfG | COG3437 | Response regulator c-di-GMP phosphodiesterase, RpfG family, contains REC and HD-GYP domains ... |
3-106 | 1.90e-21 | ||||||
Response regulator c-di-GMP phosphodiesterase, RpfG family, contains REC and HD-GYP domains [Signal transduction mechanisms]; Pssm-ID: 442663 [Multi-domain] Cd Length: 224 Bit Score: 90.99 E-value: 1.90e-21
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| REC_Spo0A | cd17561 | phosphoacceptor receiver (REC) domain of Spo0A; Spo0A is a response regulator of the ... |
2-106 | 9.86e-21 | ||||||
phosphoacceptor receiver (REC) domain of Spo0A; Spo0A is a response regulator of the phosphorelay system in the early stage of spore formation. It may be an element of the effector pathway responsible for the activation of sporulation genes in response to nutritional stress and may act in the with sigma factor spo0H to control the expression of some genes that are critical to the sporulation process. Spo0A contains a regulatory N-terminal REC domain and a C-terminal DNA-binding transcription activation domain as its effector/output domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381109 [Multi-domain] Cd Length: 108 Bit Score: 85.74 E-value: 9.86e-21
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| REC_NarL-like | cd17535 | phosphoacceptor receiver (REC) domain of NarL (Nitrate/Nitrite response regulator L) family ... |
4-108 | 1.12e-20 | ||||||
phosphoacceptor receiver (REC) domain of NarL (Nitrate/Nitrite response regulator L) family response regulators; The NarL family is one of the more abundant families of DNA-binding response regulators (RRs). Members of the NarL family contain a REC domain and a helix-turn-helix (HTH) DNA-binding output domain, with a majority of members containing a LuxR-type HTH domain. They function as transcriptional regulators. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381090 [Multi-domain] Cd Length: 117 Bit Score: 86.03 E-value: 1.12e-20
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| REC_LytTR_AlgR-like | cd17532 | phosphoacceptor receiver (REC) domain of LytTR/AlgR family response regulators similar to AlgR; ... |
4-111 | 3.15e-20 | ||||||
phosphoacceptor receiver (REC) domain of LytTR/AlgR family response regulators similar to AlgR; Members of the LytTR/AlgR family of response regulators contain a REC domain and a unique LytTR DNA-binding output domain that lacks the helix-turn-helix motif and consists mostly of beta-strands. Transcriptional regulators with the LytTR-type output domains are involved in biosynthesis of extracellular polysaccharides, fimbriation, expression of exoproteins, including toxins, and quorum sensing. Included in this AlgR-like group of LytTR/AlgR family response regulators are Streptococcus agalactiae sensory transduction protein LytR, Pseudomonas aeruginosa positive alginate biosynthesis regulatory protein AlgR, Bacillus subtilis sensory transduction protein LytT, and Escherichia coli transcriptional regulatory protein BtsR, which are members of two-component regulatory systems. LytR and LytT are components of regulatory systems that regulate genes involved in cell wall metabolism. AlgR positively regulates the algD gene, which codes for a GDP-mannose dehydrogenase, a key enzyme in the alginate biosynthesis pathway. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381087 [Multi-domain] Cd Length: 118 Bit Score: 84.51 E-value: 3.15e-20
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| AmiR | COG3707 | Two-component response regulator, AmiR/NasT family, consists of REC and RNA-binding ... |
1-106 | 8.64e-20 | ||||||
Two-component response regulator, AmiR/NasT family, consists of REC and RNA-binding antiterminator (ANTAR) domains [Signal transduction mechanisms, Transcription]; Pssm-ID: 442921 [Multi-domain] Cd Length: 194 Bit Score: 85.78 E-value: 8.64e-20
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| REC_NtrX-like | cd17550 | phosphoacceptor receiver (REC) domain of nitrogen assimilation regulatory protein NtrX and ... |
4-108 | 1.71e-19 | ||||||
phosphoacceptor receiver (REC) domain of nitrogen assimilation regulatory protein NtrX and similar proteins; NtrX is part of the two-component regulatory system NtrY/NtrX that is involved in the activation of nitrogen assimilatory genes such as Gln. It is phosphorylated by the histidine kinase NtrY and interacts with sigma-54. NtrX is a member of the NtrC family, characterized by a domain architecture containing an N-terminal REC domain, followed by a central sigma-54 interaction/ATPase domain, and a C-terminal DNA binding domain. NtrC family response regulators are sigma54-dependent transcriptional activators. Also included in this subfamily is Aquifex aeolicus NtrC4. The ability of the central domain to hydrolyze ATP and thus to interact effectively with a complex of RNA polymerase, sigma54, and promoter, is controlled by the phosphorylation status of the REC domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381102 [Multi-domain] Cd Length: 115 Bit Score: 82.54 E-value: 1.71e-19
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| CitB | COG2197 | DNA-binding response regulator, NarL/FixJ family, contains REC and HTH domains [Signal ... |
1-69 | 2.21e-18 | ||||||
DNA-binding response regulator, NarL/FixJ family, contains REC and HTH domains [Signal transduction mechanisms, Transcription]; Pssm-ID: 441799 [Multi-domain] Cd Length: 131 Bit Score: 79.94 E-value: 2.21e-18
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| REC_OmpR | cd17574 | phosphoacceptor receiver (REC) domain of OmpR family response regulators; OmpR-like proteins ... |
5-106 | 1.07e-17 | ||||||
phosphoacceptor receiver (REC) domain of OmpR family response regulators; OmpR-like proteins are one of the most widespread transcriptional regulators. OmpR family members contain REC and winged helix-turn-helix (wHTH) DNA-binding output effector domain. They are involved in the control of environmental stress tolerance (such as the oxidative, osmotic and acid stress response), motility, virulence, outer membrane biogenesis and other processes. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381116 [Multi-domain] Cd Length: 99 Bit Score: 77.06 E-value: 1.07e-17
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| REC_PdtaR-like | cd19932 | phosphoacceptor receiver (REC) domain of PdtaR and similar proteins; This subfamily includes ... |
4-108 | 3.53e-17 | ||||||
phosphoacceptor receiver (REC) domain of PdtaR and similar proteins; This subfamily includes Mycobacterium tuberculosis PdtaR, also called Rv1626, and similar proteins containing a REC domain and an ANTAR (AmiR and NasR transcription antitermination regulators) RNA-binding output domain. PdtaR is a response regulator that acts at the level of transcriptional antitermination and is a member of the PdtaR/PdtaS two-component regulatory system. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381159 [Multi-domain] Cd Length: 118 Bit Score: 76.30 E-value: 3.53e-17
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| REC_OmpR_CpxR | cd17623 | phosphoacceptor receiver (REC) domain of CpxR-like OmpR family response regulators; CpxR is ... |
4-106 | 5.11e-17 | ||||||
phosphoacceptor receiver (REC) domain of CpxR-like OmpR family response regulators; CpxR is part of the CpxA/CpxR two-component regulatory system that mediates envelope stress responses that is key for virulence and antibiotic resistance in several Gram negative pathogens. CpxR is a transcription factor/response regulator that controls the expression of numerous genes, including those of the classical porins OmpF and OmpC. It belongs to the OmpR family of DNA-binding response regulators that contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381138 [Multi-domain] Cd Length: 115 Bit Score: 75.80 E-value: 5.11e-17
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| REC_DctD-like | cd17549 | phosphoacceptor receiver (REC) domain of C4-dicarboxylic acid transport protein D (DctD) and ... |
4-109 | 5.32e-17 | ||||||
phosphoacceptor receiver (REC) domain of C4-dicarboxylic acid transport protein D (DctD) and similar proteins; C4-dicarboxylic acid transport protein D (DctD) is part of the two-component regulatory system DctB/DctD, which regulates C4-dicarboxylate transport via regulation of expression of the dctPQM operon and dctA. It is an activator of sigma(54)-RNA polymerase holoenzyme that uses the energy released from ATP hydrolysis to stimulate the isomerization of a closed promoter complex to an open complex capable of initiating transcription. DctD is a member of the NtrC family, characterized by a domain architecture containing an N-terminal REC domain, followed by a central sigma-54 interaction/ATPase domain, and a C-terminal DNA binding domain. The ability of the central domain to hydrolyze ATP and thus to interact effectively with a complex of RNA polymerase, sigma54, and promoter, is controlled by the phosphorylation status of the REC domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381101 [Multi-domain] Cd Length: 130 Bit Score: 76.37 E-value: 5.32e-17
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| REC_PA4781-like | cd19920 | phosphoacceptor receiver (REC) domain of cyclic di-GMP phosphodiesterase PA4781 and similar ... |
4-106 | 1.11e-16 | ||||||
phosphoacceptor receiver (REC) domain of cyclic di-GMP phosphodiesterase PA4781 and similar domains; Pseudomonas aeruginosa cyclic di-GMP phosphodiesterase PA4781 contains an N-terminal REC domain and a C-terminal catalytic HD-GYP domain, characteristics of RpfG family response regulators. PA4781 is involved in cyclic di-3',5'-GMP (c-di-GMP) hydrolysis/degradation in a two-step reaction via the linear intermediate pGpG to produce GMP. Its unphosphorylated REC domain prevents accessibility of c-di-GMP to the active site. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381147 [Multi-domain] Cd Length: 103 Bit Score: 74.47 E-value: 1.11e-16
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| spore_0_A | TIGR02875 | sporulation transcription factor Spo0A; Spo0A, the stage 0 sporulation protein A, is a ... |
2-106 | 4.83e-16 | ||||||
sporulation transcription factor Spo0A; Spo0A, the stage 0 sporulation protein A, is a transcription factor critical for the initiation of sporulation. It contains a response regulator receiver domain (pfam00072). In Bacillus subtilis, it works together with response regulator Spo0F and the phosphotransferase Spo0B, both of which are missing from at least some sporulating species and thus not part of the endospore forming bacteria minimal gene set. Spo0A, however, is universal among endospore-forming species. [Cellular processes, Sporulation and germination] Pssm-ID: 131922 [Multi-domain] Cd Length: 262 Bit Score: 76.76 E-value: 4.83e-16
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| REC_CheY_CheY3 | cd19923 | phosphoacceptor receiver (REC) domain of chemotaxis response regulator CheY3 and similar CheY ... |
2-106 | 4.97e-15 | ||||||
phosphoacceptor receiver (REC) domain of chemotaxis response regulator CheY3 and similar CheY family proteins; CheY family chemotaxis response regulators (RRs) comprise about 17% of bacterial RRs and almost half of all RRs in archaea. This subfamily contains Vibrio cholerae CheY3, Escherichia coli CheY, and similar CheY family RRs. CheY proteins control bacterial motility and participate in signaling phosphorelays and in protein-protein interactions. CheY RRs contain only the REC domain with no output/effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381150 [Multi-domain] Cd Length: 119 Bit Score: 70.44 E-value: 4.97e-15
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| REC_OmpR_PhoB | cd17618 | phosphoacceptor receiver (REC) domain of PhoB response regulator from the OmpR family; The ... |
3-109 | 6.10e-15 | ||||||
phosphoacceptor receiver (REC) domain of PhoB response regulator from the OmpR family; The transcription factor PhoB is a component of the PhoR/PhoB two-component system, a key regulatory protein network that facilitates response to inorganic phosphate (Pi) starvation conditions by turning on the phosphate (pho) regulon whose products are involved in phosphorus uptake and metabolism. PhoB is a member of the OmpR family of DNA-binding response regulators that contains REC and winged helix-turn-helix (wHTH) DNA-binding output effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381133 [Multi-domain] Cd Length: 118 Bit Score: 70.36 E-value: 6.10e-15
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| REC_D1_PleD-like | cd17538 | first (D1) phosphoacceptor receiver (REC) domain of response regulator PleD and similar ... |
4-106 | 1.40e-14 | ||||||
first (D1) phosphoacceptor receiver (REC) domain of response regulator PleD and similar domains; PleD contains a REC domain (D1) with the phosphorylatable aspartate, a REC-like adaptor domain (D2), and the enzymatic diguanylate cyclase (DGC) domain, also called the GGDEF domain according to a conserved sequence motif, as its output domain. The GGDEF-containing PleD response regulators are global regulators of cell metabolism in some important human pathogens. This model describes D1 of PleD and similar domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381093 [Multi-domain] Cd Length: 104 Bit Score: 68.68 E-value: 1.40e-14
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| REC_DesR-like | cd19930 | phosphoacceptor receiver (REC) domain of DesR and similar proteins; This group is composed of ... |
4-108 | 1.81e-14 | ||||||
phosphoacceptor receiver (REC) domain of DesR and similar proteins; This group is composed of Bacillus subtilis DesR, Streptococcus pneumoniae response regulator spr1814, and similar proteins, all containing an N-terminal REC domain and a C-terminal LuxR family helix-turn-helix (HTH) DNA-binding output domain. DesR is a response regulator that, together with its cognate sensor kinase DesK, comprises a two-component regulatory system that controls membrane fluidity. Phosphorylation of the REC domain of DesR is allosterically coupled to two distinct exposed surfaces of the protein, controlling noncanonical dimerization/tetramerization, cooperative activation, and DesK binding. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381157 [Multi-domain] Cd Length: 117 Bit Score: 68.84 E-value: 1.81e-14
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| REC_CheC-like | cd17593 | phosphoacceptor receiver (REC) domain of uncharacterized response regulators containing a CheC ... |
2-108 | 1.85e-14 | ||||||
phosphoacceptor receiver (REC) domain of uncharacterized response regulators containing a CheC domain; This subfamily is composed of uncharacterized proteins containing an N-terminal REC domain and a C-terminal CheC domain that may function as the output/effector domain of a response regulator. CheC is a CheY-P phosphatase, affecting the level of phosphorylated CheY which controls the sense of flagella rotation and determine swimming behavior of chemotactic bacteria. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381124 [Multi-domain] Cd Length: 117 Bit Score: 68.72 E-value: 1.85e-14
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| PRK11697 | PRK11697 | two-component system response regulator BtsR; |
1-106 | 4.22e-14 | ||||||
two-component system response regulator BtsR; Pssm-ID: 236956 [Multi-domain] Cd Length: 238 Bit Score: 70.65 E-value: 4.22e-14
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| REC_TrrA-like | cd17554 | phosphoacceptor receiver (REC) domain of Thermotoga maritima response regulator TrrA and ... |
3-81 | 1.57e-13 | ||||||
phosphoacceptor receiver (REC) domain of Thermotoga maritima response regulator TrrA and similar domains; Thermotoga maritima contains a two-component signal transduction system (TCS) composed of the ThkA sensory histidine kinase (HK) and its cognate response regulator (RR) TrrA; the specific function of the system is unknown. TCSs couple environmental stimuli to adaptive responses. TrrA is a stand-alone RR containing only a REC domain with no output/effector domain. The REC domain itself functions as an effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381106 [Multi-domain] Cd Length: 113 Bit Score: 66.09 E-value: 1.57e-13
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| REC_RssB-like | cd17555 | phosphoacceptor receiver (REC) domain of Pseudomonas aeruginosa RssB and similar domains; ... |
4-106 | 2.20e-13 | ||||||
phosphoacceptor receiver (REC) domain of Pseudomonas aeruginosa RssB and similar domains; Pseudomonas aeruginosa RssB is an orphan atypical response regulator containing a REC domain and a PP2C-type protein phosphatase output domain. Its function is still unknown. Escherichia RssB, which is not included in this subfamily, is a ClpX adaptor protein which alters ClpX specificity by mediating a specific interaction between ClpX and the substrates such as RpoS, an RNA polymerase sigma factor. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381107 [Multi-domain] Cd Length: 116 Bit Score: 65.69 E-value: 2.20e-13
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| COG4567 | COG4567 | DNA-binding response regulator, ActR/RegA family, consists of REC and Fis-type HTH domains ... |
3-108 | 5.06e-13 | ||||||
DNA-binding response regulator, ActR/RegA family, consists of REC and Fis-type HTH domains [Signal transduction mechanisms, Transcription]; Pssm-ID: 443624 [Multi-domain] Cd Length: 177 Bit Score: 66.48 E-value: 5.06e-13
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| REC_hyHK_CKI1_RcsC-like | cd17546 | phosphoacceptor receiver (REC) domain of hybrid sensor histidine kinases/response regulators ... |
4-106 | 1.40e-12 | ||||||
phosphoacceptor receiver (REC) domain of hybrid sensor histidine kinases/response regulators similar to Arabidopsis thaliana CKI1 and Escherichia coli RcsC; This family is composed of hybrid sensor histidine kinases/response regulators that are sensor histidine kinases (HKs) fused with a REC domain, similar to the sensor histidine kinase CKI1 from Arabidopsis thaliana, which is involved in multi-step phosphorelay (MSP) signaling that mediates responses to a variety of important stimuli in plants. MSP involves a signal being transferred from HKs via histidine phosphotransfer proteins (AHP1-AHP5) to nuclear response regulators. The CKI1 REC domain specifically interacts with the downstream signaling protein AHP2, AHP3 and AHP5. The plant MSP system has evolved from the prokaryotic two-component system (TCS), which allows organisms to sense and respond to changes in environmental conditions. This family also includes bacterial hybrid sensor HKs such as Escherichia coli RcsC, which is a component of the Rcs signalling pathway that controls a variety of physiological functions like capsule synthesis, cell division, and motility. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381099 [Multi-domain] Cd Length: 113 Bit Score: 63.64 E-value: 1.40e-12
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| REC_citrate_TCS | cd19925 | phosphoacceptor receiver (REC) domain of citrate family two-component system response ... |
2-106 | 1.55e-12 | ||||||
phosphoacceptor receiver (REC) domain of citrate family two-component system response regulators; This family includes Lactobacillus paracasei MaeR, Escherichia coli DcuR and DpiA, Klebsiella pneumoniae CitB, as well as Bacillus DctR, MalR, and CitT. These are all response regulators of two-component systems (TCSs) from the citrate family, and are involved in the transcriptional regulation of genes associated with L-malate catabolism (MaeRK), citrate-specific fermentation (DpiAB, CitAB), plasmid inheritance (DpiAB), anaerobic fumarate respiratory system (DcuRS), and malate transport/utilization (MalKR). REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381152 [Multi-domain] Cd Length: 118 Bit Score: 63.42 E-value: 1.55e-12
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| FixJ | COG4566 | DNA-binding response regulator, FixJ family, consists of REC and HTH domains [Signal ... |
4-159 | 1.69e-12 | ||||||
DNA-binding response regulator, FixJ family, consists of REC and HTH domains [Signal transduction mechanisms, Transcription]; Pssm-ID: 443623 [Multi-domain] Cd Length: 196 Bit Score: 65.51 E-value: 1.69e-12
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| REC_typeB_ARR-like | cd17584 | phosphoacceptor receiver (REC) domain of type B Arabidopsis response regulators (ARRs) and ... |
4-109 | 1.99e-12 | ||||||
phosphoacceptor receiver (REC) domain of type B Arabidopsis response regulators (ARRs) and similar domains; Type-B ARRs (Arabidopsis response regulators) are a class of MYB-type transcription factors that act as major players in the transcriptional activation of cytokinin-responsive genes. They directly regulate the expression of type-A ARR genes and other downstream target genes. Cytokinin is a plant hormone implicated in many growth and development processes including shoot organogenesis, leaf senescence, sink/source relationships, vascular development, lateral bud release, and photomorphogenic development. Cytokinin signaling involves a phosphorelay cascade by histidine kinase receptors (AHKs), histidine phosphotransfer proteins (AHPs) and downstream ARRs. ARRs are divided into two groups, type-A and -B, according to their sequence and domain structure. Type-B ARRs contain a receiver (REC) domain and a large C-terminal extension that has characteristics of an effector or output domain, with a Myb-like DNA binding domain referred to as the GARP domain. The GARP domain is a motif specific to plant transcription factors. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381121 [Multi-domain] Cd Length: 115 Bit Score: 63.03 E-value: 1.99e-12
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| REC_OmpR_BsPhoP-like | cd19937 | phosphoacceptor receiver (REC) domain of BsPhoP-like OmpR family response regulators; Bacillus ... |
5-108 | 4.91e-12 | ||||||
phosphoacceptor receiver (REC) domain of BsPhoP-like OmpR family response regulators; Bacillus subtilis PhoP (BsPhoP) is part of the PhoPR two-component system that participates in a signal transduction network that controls adaptation of the bacteria to phosphate deficiency by regulating (activating or repressing) genes of the Pho regulon upon phosphorylation by PhoR. When activated, PhoPR directs expression of phosphate scavenging enzymes, lowers synthesis of the phosphate-rich wall teichoic acid (WTA) and initiates synthesis of teichuronic acid, a non-phosphate containing replacement anionic polymer. Members of this subfamily belong to the OmpR family of DNA-binding response regulators, which are characterized by a REC domain and a winged helix-turn-helix (wHTH) DNA-binding output effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381164 [Multi-domain] Cd Length: 116 Bit Score: 61.91 E-value: 4.91e-12
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| PRK10955 | PRK10955 | envelope stress response regulator transcription factor CpxR; |
1-106 | 5.23e-12 | ||||||
envelope stress response regulator transcription factor CpxR; Pssm-ID: 182864 [Multi-domain] Cd Length: 232 Bit Score: 64.82 E-value: 5.23e-12
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| psREC_PRR | cd17582 | pseudo receiver domain of pseudo-response regulators; In Arabidopsis, five pseudo-response ... |
4-106 | 8.07e-12 | ||||||
pseudo receiver domain of pseudo-response regulators; In Arabidopsis, five pseudo-response regulators (PRRs), also called APRRs, comprise a core group of clock components that controls the pace of the central oscillator of the circadian clock, an endogenous time-keeping mechanism that enables organisms to adapt to external daily cycles. The coordinated sequential expression of PRR9 (APRR9), PRR7 (APRR7), PRR5 (APRR5), PRR3 (APRR3), and PRR1 (APRR1) results in circadian waves that may be at the basis of the endogenous circadian clock. PRRs contain an N-terminal pseudo receiver (psREC) domain that resembles the receiver domain of a two-component response regulator, but lacks an aspartate residue that accepts a phosphoryl group from the sensor kinase, and a CCT motif at the C-terminus that contains a putative nuclear localization signal. The psREC domain is involved in protein-protein interactions. Pssm-ID: 381120 [Multi-domain] Cd Length: 104 Bit Score: 61.26 E-value: 8.07e-12
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| REC_CheV-like | cd19924 | phosphoacceptor receiver (REC) domain of chemotaxis protein CheV and similar proteins; This ... |
4-106 | 9.07e-12 | ||||||
phosphoacceptor receiver (REC) domain of chemotaxis protein CheV and similar proteins; This subfamily includes the REC domains of Bacillus subtilis chemotaxis protein CheV, Myxococcus xanthus gliding motility regulatory protein FrzE, and similar proteins. CheV is a hybrid protein with an N-terminal CheW-like domain and a C-terminal CheY-like REC domain. The CheV pathway is one of three systems employed by B. subtilis for sensory adaptation that contribute to chemotaxis. It is involved in the transmission of sensory signals from chemoreceptors to flagellar motors. Together with CheW, it is involved in the coupling of methyl-accepting chemoreceptors to the central two-component histidine kinase CheA. FrzE is a hybrid sensor histidine kinase/response regulator that is part of the Frz pathway that controls cell reversal frequency to support directional motility during swarming and fruiting body formation. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381151 [Multi-domain] Cd Length: 111 Bit Score: 61.24 E-value: 9.07e-12
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| orf27 | CHL00148 | Ycf27; Reviewed |
4-108 | 9.64e-12 | ||||||
Ycf27; Reviewed Pssm-ID: 214376 [Multi-domain] Cd Length: 240 Bit Score: 63.97 E-value: 9.64e-12
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| REC_hyHK | cd17598 | phosphoacceptor receiver (REC) domain of uncharacterized hybrid sensor histidine kinase ... |
4-106 | 1.37e-11 | ||||||
phosphoacceptor receiver (REC) domain of uncharacterized hybrid sensor histidine kinase/response regulators; Typically, two-component regulatory systems (TCSs) consist of a sensor (histidine kinase) that responds to specific input(s) by modifying the output of a cognate response regulator (RR). TCSs allow organisms to sense and respond to changes in environmental conditions. Hybrid sensor histidine kinase/response regulators contain all the elements of a classical TCS in a single polypeptide chain. RRs share the common phosphoacceptor REC domain and different effector/output domains such as DNA, RNA, ligand-binding, protein-binding, or enzymatic domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381128 [Multi-domain] Cd Length: 118 Bit Score: 60.80 E-value: 1.37e-11
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| REC_GlnL-like | cd17565 | phosphoacceptor receiver (REC) domain of transcriptional regulatory protein GlnL and similar ... |
6-106 | 1.46e-11 | ||||||
phosphoacceptor receiver (REC) domain of transcriptional regulatory protein GlnL and similar proteins; Bacillus subtilis GlnL is part of the GlnK-GlnL (formerly YcbA-YcbB) two-component system that positively regulates the expression of the glsA-glnT (formerly ybgJ-ybgH) operon in response to glutamine. It contains a REC domain and a DNA-binding output domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381112 [Multi-domain] Cd Length: 103 Bit Score: 60.36 E-value: 1.46e-11
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| REC_NtrC1-like | cd17572 | phosphoacceptor receiver (REC) domain of nitrogen regulatory protein C 1 (NtrC1) from Aquifex ... |
4-106 | 1.80e-11 | ||||||
phosphoacceptor receiver (REC) domain of nitrogen regulatory protein C 1 (NtrC1) from Aquifex aeolicus and similar NtrC family response regulators; NtrC family proteins are transcriptional regulators that have REC, AAA+ ATPase/sigma-54 interaction, and DNA-binding output domains. This subfamily of NtrC proteins include Aquifex aeolicus NtrC1 and Vibrio quorum-sensing signal integrator LuxO. The N-terminal REC domain of NtrC proteins regulate the activity of the protein and its phosphorylation controls the AAA+ domain oligomerization, while the central AAA+ domain participates in nucleotide binding, hydrolysis, oligomerization, and sigma54 interaction. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381114 [Multi-domain] Cd Length: 121 Bit Score: 60.67 E-value: 1.80e-11
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| REC_Rcp-like | cd17557 | phosphoacceptor receiver (REC) domain of cyanobacterial phytochrome response regulator Rcp and ... |
3-108 | 3.02e-11 | ||||||
phosphoacceptor receiver (REC) domain of cyanobacterial phytochrome response regulator Rcp and similar domains; This family is composed of response regulators (RRs) that are members of phytochrome-associated, light-sensing two-component signal transduction pathways such as Synechocystis sp. Rcp1, Tolypothrix sp. RcpA, and Agrobacterium tumefaciens bacteriophytochrome response regulator AtBRR. They are stand-alone RRs containing only a REC domain with no output/effector domain. The REC domain itself functions as an effector domain. Also included in this family us Methanosaeta harundinacea methanogenesis regulatory protein FilR2, also a stand-alone RR. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381108 [Multi-domain] Cd Length: 129 Bit Score: 60.12 E-value: 3.02e-11
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| PRK10651 | PRK10651 | transcriptional regulator NarL; Provisional |
4-99 | 4.17e-11 | ||||||
transcriptional regulator NarL; Provisional Pssm-ID: 182619 [Multi-domain] Cd Length: 216 Bit Score: 61.97 E-value: 4.17e-11
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| REC_OmpR_BaeR-like | cd19938 | phosphoacceptor receiver (REC) domain of BaeR-like OmpR family response regulators; BaeR is ... |
4-108 | 4.30e-11 | ||||||
phosphoacceptor receiver (REC) domain of BaeR-like OmpR family response regulators; BaeR is part of the BaeSR two-component system that is involved in regulating genes that confer multidrug and metal resistance. In Salmonella, BaeSR induces AcrD and MdtABC drug efflux systems, increasing multidrug and metal resistance. In Escherichia coli, BaeR stimulates multidrug resistance via mdtABC (multidrug transporter ABC, formerly known as yegMNO) genes, which encode a resistance-nodulation-cell division (RND) drug efflux system. Members of this subfamily belong to the OmpR family of DNA-binding response regulators, which are characterized by a REC domain and a winged helix-turn-helix (wHTH) DNA-binding output effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381165 [Multi-domain] Cd Length: 114 Bit Score: 59.31 E-value: 4.30e-11
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| REC_FixJ | cd17537 | phosphoacceptor receiver (REC) domain of FixJ family response regulators; FixJ family response ... |
4-106 | 4.78e-11 | ||||||
phosphoacceptor receiver (REC) domain of FixJ family response regulators; FixJ family response regulators contain an N-terminal receiver domain (REC) and a C-terminal LuxR family helix-turn-helix (HTH) DNA-binding output domain. The Sinorhizobium meliloti two-component system FixL/FixJ regulates nitrogen fixation in response to oxygen during symbiosis. Under microaerobic conditions, the kinase FixL phosphorylates the response regulator FixJ resulting in the regulation of nitrogen fixation genes such as nifA and fixK. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381092 [Multi-domain] Cd Length: 116 Bit Score: 59.14 E-value: 4.78e-11
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| REC_OmpR_ArcA_TorR-like | cd17619 | phosphoacceptor receiver (REC) domain of ArcA- and TorR-like OmpR family response regulators; ... |
3-106 | 4.89e-11 | ||||||
phosphoacceptor receiver (REC) domain of ArcA- and TorR-like OmpR family response regulators; This subfamily includes Escherichia coli TorR and ArcA, both OmpR family response regulators that mediate adaptation to changes in various respiratory growth conditions. The TorS-TorR two-component system (TCS) is responsible for the tight regulation of the torCAD operon, which encodes the trimethylamine N-oxide (TMAO) reductase respiratory system in response to anaerobic conditions and the presence of TMAO. The ArcA-ArcB TCS is involved in cell growth during anaerobiosis. ArcA is a global regulator that controls more than 30 operons involved in redox regulation (the Arc modulon). OmpR family DNA-binding response regulators are characterized by a REC domain and a winged helix-turn-helix (wHTH) DNA-binding output effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381134 [Multi-domain] Cd Length: 113 Bit Score: 59.32 E-value: 4.89e-11
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| REC_OmpR_CusR-like | cd19935 | phosphoacceptor receiver (REC) domain of CusR-like OmpR family response regulators; ... |
4-106 | 7.95e-11 | ||||||
phosphoacceptor receiver (REC) domain of CusR-like OmpR family response regulators; Escherichia coli CusR is part of the CusS/CusR two-component system (TCS) that is involved in response to copper and silver. Other members of this subfamily include Escherichia coli PcoR, Pseudomonas syringae CopR, and Streptomyces coelicolor CutR, which are all transcriptional regulatory proteins and components of TCSs that regulate genes involved in copper resistance and/or metabolism. member of the subfamily is Escherichia coli HprR (hydrogen peroxide response regulator), previously called YdeW, which is part of the HprSR (or YedVW) TCS involved in stress response to hydrogen peroxide, as well as Cupriavidus metallidurans CzcR, which is part of the CzcS/CzcR TCS involved in the control of cobalt, zinc, and cadmium homeostasis. Members of this subfamily belong to the OmpR family of DNA-binding response regulators, which contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381162 [Multi-domain] Cd Length: 100 Bit Score: 58.22 E-value: 7.95e-11
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| REC | smart00448 | cheY-homologous receiver domain; CheY regulates the clockwise rotation of E. coli flagellar ... |
2-58 | 8.84e-11 | ||||||
cheY-homologous receiver domain; CheY regulates the clockwise rotation of E. coli flagellar motors. This domain contains a phosphoacceptor site that is phosphorylated by histidine kinase homologues. Pssm-ID: 214668 [Multi-domain] Cd Length: 55 Bit Score: 56.81 E-value: 8.84e-11
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| REC_NtrC | cd19919 | phosphoacceptor receiver (REC) domain of DNA-binding transcriptional regulator NtrC; ... |
4-106 | 1.13e-10 | ||||||
phosphoacceptor receiver (REC) domain of DNA-binding transcriptional regulator NtrC; DNA-binding transcriptional regulator NtrC is also called nitrogen regulation protein NR(I) or nitrogen regulator I (NRI). It contains an N-terminal receiver (REC) domain, followed by a sigma-54 interaction domain, and a C-terminal helix-turn-helix DNA-binding domain. It is part of the two-component regulatory system NtrB/NtrC, which controls expression of the nitrogen-regulated (ntr) genes in response to nitrogen limitation. DNA-binding response regulator NtrC is phosphorylated by NtrB; phosphorylation of the N-terminal REC domain activates the central sigma-54 interaction domain and leads to the transcriptional activation from promoters that require sigma(54)-containing RNA polymerase. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381146 [Multi-domain] Cd Length: 116 Bit Score: 58.05 E-value: 1.13e-10
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| REC_OmpR_YycF-like | cd17614 | phosphoacceptor receiver (REC) domain of YrcF-like OmpR family response regulators; YycF ... |
30-109 | 2.72e-10 | ||||||
phosphoacceptor receiver (REC) domain of YrcF-like OmpR family response regulators; YycF appears to play an important role in cell wall integrity in a wide range of gram-positive bacteria, and may also modulate cell membrane integrity. It functions as part of a phosphotransfer system that ultimately controls the levels of competence within the bacteria. YycF belongs to the OmpR family of response regulators, which are characterized by a REC domain and a winged helix-turn-helix effector domain involved in DNA binding. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381130 [Multi-domain] Cd Length: 115 Bit Score: 57.05 E-value: 2.72e-10
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| fixJ | PRK09390 | response regulator FixJ; Provisional |
3-106 | 3.28e-10 | ||||||
response regulator FixJ; Provisional Pssm-ID: 181815 [Multi-domain] Cd Length: 202 Bit Score: 58.86 E-value: 3.28e-10
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| REC_RR468-like | cd17552 | phosphoacceptor receiver (REC) domain of Thermotoga maritima response regulator RR468 and ... |
4-106 | 3.45e-10 | ||||||
phosphoacceptor receiver (REC) domain of Thermotoga maritima response regulator RR468 and similar domains; Thermotoga maritima RR468 (encoded by gene TM0468) is the cognate response regulator (RR) of the class I histidine kinase HK853 (product of gene TM0853). HK853/RR468 comprise a two-component system (TCS) that couples environmental stimuli to adaptive responses. This subfamily also includes Fremyella diplosiphon complementary adaptation response regulator homolog RcaF, a small RR that is involved in four-step phosphorelays of the complementary chromatic adaptation (CCA) system that occurs in many cyanobacteria. Both RR468 and RcaF are stand-alone RRs containing only a REC domain with no output/effector domain. The REC domain itself functions as an effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381104 [Multi-domain] Cd Length: 121 Bit Score: 56.79 E-value: 3.45e-10
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| PRK11361 | PRK11361 | acetoacetate metabolism transcriptional regulator AtoC; |
4-106 | 3.63e-10 | ||||||
acetoacetate metabolism transcriptional regulator AtoC; Pssm-ID: 183099 [Multi-domain] Cd Length: 457 Bit Score: 61.02 E-value: 3.63e-10
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| REC_NarL | cd19931 | phosphoacceptor receiver (REC) domain of Nitrate/Nitrite response regulator L (NarL); Nitrate ... |
4-69 | 3.73e-10 | ||||||
phosphoacceptor receiver (REC) domain of Nitrate/Nitrite response regulator L (NarL); Nitrate/nitrite response regulator protein NarL contains an N-terminal REC domain and a C-terminal LuxR family helix-turn-helix (HTH) DNA-binding output domain. Escherichia coli NarL activates the expression of the nitrate reductase (narGHJI) and formate dehydrogenase-N (fdnGHI) operons, and represses the transcription of the fumarate reductase (frdABCD) operon in response to a nitrate/nitrite induction signal. Phosphorylation of the NarL REC domain releases the C-terminal HTH output domain that subsequently binds specific DNA promoter sites to repress or activate gene expression. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381158 [Multi-domain] Cd Length: 117 Bit Score: 56.59 E-value: 3.73e-10
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| ompR | PRK09468 | osmolarity response regulator; Provisional |
4-106 | 4.16e-10 | ||||||
osmolarity response regulator; Provisional Pssm-ID: 181883 [Multi-domain] Cd Length: 239 Bit Score: 59.22 E-value: 4.16e-10
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| REC_RegA-like | cd17563 | phosphoacceptor receiver (REC) domain of photosynthetic apparatus regulatory protein RegA; ... |
3-108 | 4.70e-10 | ||||||
phosphoacceptor receiver (REC) domain of photosynthetic apparatus regulatory protein RegA; Rhodobacter sphaeroides RegA, also called response regulator PrrA, is the DNA binding regulatory protein of a redox-responsive two-component regulatory system RegB/RegA that is involved in transactivating anaerobic expression of the photosynthetic apparatus. It contains a REC domain and a DNA-binding helix-turn-helix output domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381111 [Multi-domain] Cd Length: 112 Bit Score: 56.30 E-value: 4.70e-10
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| REC_PatA-like | cd17602 | phosphoacceptor receiver (REC) domain of PatA and similar domains; Nostoc sp. (or Anabaena sp.) ... |
4-106 | 5.65e-10 | ||||||
phosphoacceptor receiver (REC) domain of PatA and similar domains; Nostoc sp. (or Anabaena sp.) PatA is necessary for proper patterning of heterocysts along filaments. PatA contains phosphoacceptor REC domain at its C-terminus and an N-terminal PATAN (PatA N-terminus) domain, which was proposed in a bioinformatics study to mediate protein-protein interactions. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Some members of this group may have an inactive REC domain, lacking canonical metal-binding and active site residues. Pssm-ID: 381129 [Multi-domain] Cd Length: 102 Bit Score: 55.84 E-value: 5.65e-10
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| REC_OmpR_NsrR-like | cd18159 | phosphoacceptor receiver (REC) domain of Streptococcus agalactiae NsrR-like OmpR family ... |
4-106 | 7.20e-10 | ||||||
phosphoacceptor receiver (REC) domain of Streptococcus agalactiae NsrR-like OmpR family response regulators; Streptococcus agalactiae NsrR is a lantibiotic resistance-associated response regulator and is part of the nisin resistance operon. It is a member of the NsrRK two-component system (TCS) that is involved in the regulation of lantibiotic resistance genes such as a membrane-associated lipoprotein of LanI, and the nsr gene cluster which encodes for the resistance protein NSR and the ABC transporter NsrFP, both conferring resistance against nisin. This subfamily also includes Staphylococcus epidermidis GraR, part of the GraR/GraS TCS involved in resistance against cationic antimicrobial peptides, and Bacillus subtilis BceR, part of the BceS/BceR TCS involved in the regulation of bacitracin resistance. Members of this subfamily belong to the OmpR family of DNA-binding response regulators, which contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381143 [Multi-domain] Cd Length: 113 Bit Score: 55.75 E-value: 7.20e-10
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| REC_Spo0F-like | cd17553 | phosphoacceptor receiver (REC) domain of Spo0F and similar domains; Spo0F, a stand-alone ... |
4-117 | 8.42e-10 | ||||||
phosphoacceptor receiver (REC) domain of Spo0F and similar domains; Spo0F, a stand-alone response regulator containing only a REC domain with no output/effector domain, controls sporulation in Bacillus subtilis through the exchange of a phosphoryl group. Bacillus subtilis forms spores when conditions for growth become unfavorable. The initiation of sporulation is controlled by a phosphorelay (an expanded version of the two-component system) that consists of four main components: a histidine kinase (KinA), a secondary messenger (Spo0F), a phosphotransferase (Spo0B), and a transcription factor (Spo0A). REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381105 [Multi-domain] Cd Length: 117 Bit Score: 55.64 E-value: 8.42e-10
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| REC_DivK-like | cd17548 | phosphoacceptor receiver (REC) domain of DivK and similar proteins; Caulobacter crescentus ... |
3-106 | 1.25e-09 | ||||||
phosphoacceptor receiver (REC) domain of DivK and similar proteins; Caulobacter crescentus DivK is an essential response regulator that is involved in the complex phosphorelay pathways controlling both cell division and motility. It localizes cell cycle regulators to specific poles of the cell during division. DivK contains a stand-alone REC domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381100 [Multi-domain] Cd Length: 115 Bit Score: 55.24 E-value: 1.25e-09
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| REC_OmpR_KdpE-like | cd17620 | phosphoacceptor receiver (REC) domain of KdpE-like OmpR family response regulators; KdpE is a ... |
4-106 | 2.10e-09 | ||||||
phosphoacceptor receiver (REC) domain of KdpE-like OmpR family response regulators; KdpE is a component of the KdpD/KdpE two-component system (TCS) and is activated when histidine kinase KdpD senses a drop in external K+ concentration or upshift in ionic osmolarity, resulting in the expression of a heterooligomeric transporter KdpFABC. In addition, the KdpD/KdpE TCS is also an adaptive regulator involved in the virulence and intracellular survival of pathogenic bacteria. KdpE is a member of the OmpR family of DNA-binding response regulators that contain REC and winged helix-turn-helix (wHTH) DNA-binding output effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381135 [Multi-domain] Cd Length: 99 Bit Score: 54.09 E-value: 2.10e-09
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| REC_OmpR_PrrA-like | cd17627 | phosphoacceptor receiver (REC) domain of PrrA-like OmpR family response regulators; The ... |
4-106 | 2.23e-09 | ||||||
phosphoacceptor receiver (REC) domain of PrrA-like OmpR family response regulators; The Mycobacterium tuberculosis PrrA is part of the PrrA/PrrB two-component system (TCS) that has been implicated in early intracellular multiplication and is essential for viability. Also included in this subfamily is Mycobacterium tuberculosis MprA, part of the MprAB TCS that regulates EspR, a key regulator of the ESX-1 secretion system, and is required for establishment and maintenance of persistent infection in a tissue- and stage-specific fashion. PrrA and MprA belong to the OmpR family of DNA-binding response regulators, which contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381142 [Multi-domain] Cd Length: 116 Bit Score: 54.70 E-value: 2.23e-09
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| REC_DC-like | cd17534 | phosphoacceptor receiver (REC) domain of modulated diguanylate cyclase and similar domains; ... |
2-106 | 2.37e-09 | ||||||
phosphoacceptor receiver (REC) domain of modulated diguanylate cyclase and similar domains; This groups includes a modulated diguanylate cyclase containing a PAS sensor domain from Desulfovibrio desulfuricans G20. Members of this group contain N-terminal REC domains and various output domains including the GGDEF, histidine kinase, and helix-turn-helix (HTH) DNA binding domains. Also included in this family is Mycobacterium tuberculosis PdtaR, a transcriptional antiterminator that contains a REC domain and an ANTAR RNA-binding output domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381089 [Multi-domain] Cd Length: 117 Bit Score: 54.34 E-value: 2.37e-09
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| PRK10693 | PRK10693 | two-component system response regulator RssB; |
32-109 | 2.49e-09 | ||||||
two-component system response regulator RssB; Pssm-ID: 182652 [Multi-domain] Cd Length: 303 Bit Score: 57.69 E-value: 2.49e-09
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| PRK09483 | PRK09483 | response regulator; Provisional |
1-105 | 2.52e-09 | ||||||
response regulator; Provisional Pssm-ID: 236538 [Multi-domain] Cd Length: 217 Bit Score: 56.65 E-value: 2.52e-09
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| REC_2_GGDEF | cd17544 | second phosphoacceptor receiver (REC) domain of uncharacterized GGDEF domain proteins; This ... |
2-106 | 2.70e-09 | ||||||
second phosphoacceptor receiver (REC) domain of uncharacterized GGDEF domain proteins; This family is composed of uncharacterized PleD-like response regulators that contain two N-terminal REC domains and a C-terminal diguanylate cyclase output domain with the characteristic GGDEF motif at the active site. Unlike PleD which contains a REC-like adaptor domain, the second REC domain of these uncharacterized GGDEF domain proteins, described in this model, contains characteristic metal-binding and active site residues. PleD response regulators are global regulators of cell metabolism in some important human pathogens. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381098 [Multi-domain] Cd Length: 122 Bit Score: 54.45 E-value: 2.70e-09
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| REC_OmpR_DrrD-like | cd17625 | phosphoacceptor receiver (REC) domain of DrrD-like OmpR family response regulators; DrrD is a ... |
5-108 | 2.80e-09 | ||||||
phosphoacceptor receiver (REC) domain of DrrD-like OmpR family response regulators; DrrD is a OmpR/PhoB homolog from Thermotoga maritima whose function is not yet known. This subfamily also includes Streptococcus agalactiae transcriptional regulatory protein DltR, part of the DltS/DltR two-component system (TCS), and Pseudomonas aeruginosa transcriptional activator protein PfeR, part of the PfeR/PfeS TCS, which activates expression of the ferric enterobactin receptor. The DltS/DltR TCS regulates the expression of the dlt operon, which comprises four genes (dltA, dltB, dltC, and dltD) that catalyze the incorporation of D-alanine residues into the lipoteichoic acids. Members of this subfamily belong to the OmpR/PhoB family, which comprises of two domains, an N-terminal receiver domain and a C-terminal DNA-binding winged helix-turn-helix effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381140 [Multi-domain] Cd Length: 115 Bit Score: 54.15 E-value: 2.80e-09
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| REC_CheY4-like | cd17562 | phosphoacceptor receiver (REC) domain of chemotaxis response regulator CheY4 and similar CheY ... |
4-106 | 2.95e-09 | ||||||
phosphoacceptor receiver (REC) domain of chemotaxis response regulator CheY4 and similar CheY family proteins; CheY family chemotaxis response regulators (RRs) comprise about 17% of bacterial RRs and almost half of all RRs in archaea. This subfamily contains Vibrio cholerae CheY4 and similar CheY family RRs. CheY proteins control bacterial motility and participate in signaling phosphorelays and in protein-protein interactions. CheY RRs contain only the REC domain with no output/effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381110 [Multi-domain] Cd Length: 118 Bit Score: 54.23 E-value: 2.95e-09
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| PRK10710 | PRK10710 | DNA-binding transcriptional regulator BaeR; Provisional |
4-108 | 3.95e-09 | ||||||
DNA-binding transcriptional regulator BaeR; Provisional Pssm-ID: 182665 [Multi-domain] Cd Length: 240 Bit Score: 56.23 E-value: 3.95e-09
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| dpiA | PRK10046 | two-component response regulator DpiA; Provisional |
2-138 | 6.96e-09 | ||||||
two-component response regulator DpiA; Provisional Pssm-ID: 182208 [Multi-domain] Cd Length: 225 Bit Score: 55.41 E-value: 6.96e-09
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| pleD | PRK09581 | response regulator PleD; Reviewed |
4-110 | 8.03e-09 | ||||||
response regulator PleD; Reviewed Pssm-ID: 236577 [Multi-domain] Cd Length: 457 Bit Score: 56.83 E-value: 8.03e-09
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| REC_OmpR_MtPhoP-like | cd17615 | phosphoacceptor receiver (REC) domain of MtPhoP-like OmpR family response regulators; ... |
4-108 | 1.40e-08 | ||||||
phosphoacceptor receiver (REC) domain of MtPhoP-like OmpR family response regulators; Mycobacterium tuberculosis PhoP (MtPhoP) is part of the PhoP/PhoR two-component system that is involved in phosphate control by stimulating expression of genes involved in scavenging, transport and mobilization of phosphate, and repressing the utilization of nitrogen sources. Also included in this subfamily is Mycobacterium tuberculosis transcriptional regulatory protein TcrX, part of the two-component regulatory system TcrY/TcrX that may be involved in virulence. Members of this subfamily belong to the OmpR family of DNA-binding response regulators, which are characterized by a REC domain and a winged helix-turn-helix (wHTH) DNA-binding output effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381131 [Multi-domain] Cd Length: 118 Bit Score: 52.35 E-value: 1.40e-08
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| REC_OmpR_EcPhoP-like | cd19934 | phosphoacceptor receiver (REC) domain of EcPhoP-like OmpR family response regulators; ... |
4-106 | 1.43e-08 | ||||||
phosphoacceptor receiver (REC) domain of EcPhoP-like OmpR family response regulators; Escherichia coli PhoP (EcPhoP) is part of the PhoQ/PhoP two-component system (TCS) that regulates virulence genes and plays an essential role in the response of the bacteria to the environment of their mammalian hosts, sensing several stimuli such as extracellular magnesium limitation, low pH, the presence of cationic antimicrobial peptides, and osmotic upshift. This subfamily also includes Brucella suis FeuP, part of the FeuPQ TCS that is involved in the regulation of iron uptake, and Microchaete diplosiphon RcaC, which is required for chromatic adaptation. Members of this subfamily belong to the OmpR family of DNA-binding response regulators, which contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381161 [Multi-domain] Cd Length: 117 Bit Score: 52.28 E-value: 1.43e-08
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| PRK10430 | PRK10430 | two-component system response regulator DcuR; |
1-106 | 1.50e-08 | ||||||
two-component system response regulator DcuR; Pssm-ID: 182454 [Multi-domain] Cd Length: 239 Bit Score: 54.73 E-value: 1.50e-08
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| REC_OmpR_VirG | cd17594 | phosphoacceptor receiver (REC) domain of VirG-like OmpR family response regulators; VirG is ... |
4-106 | 3.44e-08 | ||||||
phosphoacceptor receiver (REC) domain of VirG-like OmpR family response regulators; VirG is part of the VirA/VirG two-component system that regulates the expression of virulence (vir) genes. The histidine kinase VirA senses a phenolic wound response signal, undergoes autophosphorylation, and phosphorelays to the VirG response regulator, which induces transcription of the vir regulon. VirG belongs to the OmpR family of DNA-binding response regulators that contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381125 [Multi-domain] Cd Length: 113 Bit Score: 50.91 E-value: 3.44e-08
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| REC_2_DhkD-like | cd17580 | second phosphoacceptor receiver (REC) domain of Dictyostelium discoideum hybrid signal ... |
4-76 | 3.52e-08 | ||||||
second phosphoacceptor receiver (REC) domain of Dictyostelium discoideum hybrid signal transduction histidine kinase D and similar domains; Dictyostelium discoideum hybrid signal transduction histidine kinase D (DhkD) is a large protein that contains two histidine kinase (HK) and two REC domains on the intracellular side of a single pass transmembrane domain, and extracellular PAS and PAC domains that likely are involved in ligand binding. This model represents the second REC domain and similar domains. DhkD activates the cAMP phosphodiesterase RegA to ensure proper prestalk and prespore patterning, tip formation, and the vertical elongation of the mound into a finger, in Dictyostelium discoideum. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381118 [Multi-domain] Cd Length: 112 Bit Score: 50.92 E-value: 3.52e-08
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| PRK10529 | PRK10529 | DNA-binding transcriptional activator KdpE; Provisional |
1-106 | 3.79e-08 | ||||||
DNA-binding transcriptional activator KdpE; Provisional Pssm-ID: 182522 [Multi-domain] Cd Length: 225 Bit Score: 53.27 E-value: 3.79e-08
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| REC_WspR-like | cd17575 | phosphoacceptor receiver (REC) domain of WspR response regulator and similar proteins; The ... |
2-105 | 5.63e-08 | ||||||
phosphoacceptor receiver (REC) domain of WspR response regulator and similar proteins; The GGDEF response regulator WspR is part of the Wsp system that is homologous to chemotaxis systems and also includes the membrane-bound receptor protein WspA. In response to growth on surfaces, WspR is phosphorylated by the Wsp signal transduction complex and is activated, functioning as a diguanylate cyclase (DGC) that catalyzes c-di-GMP synthesis. WspR is a hybrid response regulator-diguanylate cyclase, containing an N-terminal REC domain and a C-terminal GGDEF domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381117 [Multi-domain] Cd Length: 128 Bit Score: 50.87 E-value: 5.63e-08
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| REC_OmpR_PmrA-like | cd17624 | phosphoacceptor receiver (REC) domain of PmrA-like OmpR family response regulators; This ... |
4-106 | 7.44e-08 | ||||||
phosphoacceptor receiver (REC) domain of PmrA-like OmpR family response regulators; This subfamily contains various OmpR family response regulators including PmrA, BasR, QseB, tctD, and RssB, which are components of two-component regulatory systems (TCSs). The PmrA/PmrB TCS controls transcription of genes that are involved in lipopolysaccharide modification in the outer membrane of bacteria, increasing bacterial resistance to host-derived antimicrobial peptides. The BasS/BasR TCS functions as an iron- and zinc-sensing transcription regulator. The QseB/QseC TCS activates the flagella regulon by activating transcription of FlhDC. The RssA/RssB TCS regulates swarming behavior in Serratia marcescens. OmpR family DNA-binding response regulators contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381139 [Multi-domain] Cd Length: 115 Bit Score: 50.18 E-value: 7.44e-08
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| REC_OmpR_ChvI-like | cd19936 | phosphoacceptor receiver (REC) domain of ChvI-like OmpR family response regulators; ... |
48-106 | 1.00e-07 | ||||||
phosphoacceptor receiver (REC) domain of ChvI-like OmpR family response regulators; Sinorhizobium meliloti ChvI is part of the ExoS/ChvI two-component regulatory system (TCS) that is required for nitrogen-fixing symbiosis and exopolysaccharide synthesis. ExoS/ChvI also play important roles in regulating biofilm formation, motility, nutrient utilization, and the viability of free-living bacteria. ChvI belongs to the OmpR family of DNA-binding response regulators that contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381163 [Multi-domain] Cd Length: 99 Bit Score: 49.37 E-value: 1.00e-07
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| PRK13856 | PRK13856 | two-component response regulator VirG; Provisional |
1-106 | 1.01e-07 | ||||||
two-component response regulator VirG; Provisional Pssm-ID: 172377 [Multi-domain] Cd Length: 241 Bit Score: 52.12 E-value: 1.01e-07
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| REC_TPR | cd17589 | phosphoacceptor receiver (REC) domain of uncharacterized tetratricopeptide repeat (TPR) ... |
4-106 | 1.04e-07 | ||||||
phosphoacceptor receiver (REC) domain of uncharacterized tetratricopeptide repeat (TPR)-containing response regulators; Response regulators share the common phosphoacceptor REC domain and different output domains. This subfamily contains uncharacterized response regulators with TPR repeats as the effector or output domain, which might contain between 3 to 16 TPR repeats (each about 34 amino acids). TPR-containing proteins occur in all domains of life and the abundance of TPR-containing proteins in a bacterial proteome is not indicative of virulence. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Some members in this subfamily may contain inactive REC domains lacking canonical metal-binding and active site residues. Pssm-ID: 381123 [Multi-domain] Cd Length: 115 Bit Score: 49.57 E-value: 1.04e-07
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| REC_OmpR_kpRstA-like | cd17622 | phosphoacceptor receiver (REC) domain of kpRstA-like OmpR family response regulators; ... |
4-114 | 1.58e-07 | ||||||
phosphoacceptor receiver (REC) domain of kpRstA-like OmpR family response regulators; Klebsiella pneumoniae RstA (kpRstA) is part of the RstA/RstB two-component regulatory system that may play a regulatory role in virulence. It belongs to the OmpR family of DNA-binding response regulators that contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381137 [Multi-domain] Cd Length: 116 Bit Score: 49.30 E-value: 1.58e-07
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| PRK10161 | PRK10161 | phosphate response regulator transcription factor PhoB; |
4-125 | 2.83e-07 | ||||||
phosphate response regulator transcription factor PhoB; Pssm-ID: 182277 [Multi-domain] Cd Length: 229 Bit Score: 50.87 E-value: 2.83e-07
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| REC_RocR | cd17530 | phosphoacceptor receiver (REC) domain of response regulator RocR; The response regulator RocR ... |
3-69 | 3.84e-07 | ||||||
phosphoacceptor receiver (REC) domain of response regulator RocR; The response regulator RocR from some pathogens contains an N-terminal phosphoreceiver (REC) domain and a C-terminal EAL domain that possesses c-di-GMP specific phosphodiesterase activity. The RocR REC domain is phosphorylated and modulates its EAL domain enzymatic activity, regulating the local level of c-di-GMP. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381086 [Multi-domain] Cd Length: 123 Bit Score: 48.21 E-value: 3.84e-07
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| glnG | PRK10923 | nitrogen regulation protein NR(I); Provisional |
3-106 | 3.91e-07 | ||||||
nitrogen regulation protein NR(I); Provisional Pssm-ID: 182842 [Multi-domain] Cd Length: 469 Bit Score: 51.41 E-value: 3.91e-07
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| PRK10365 | PRK10365 | sigma-54-dependent response regulator transcription factor ZraR; |
2-178 | 4.60e-07 | ||||||
sigma-54-dependent response regulator transcription factor ZraR; Pssm-ID: 182412 [Multi-domain] Cd Length: 441 Bit Score: 51.18 E-value: 4.60e-07
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| REC_Ycf29 | cd19927 | phosphoacceptor receiver (REC) domain of probable transcriptional regulator Ycf29; Ycf29 is a ... |
4-88 | 5.25e-07 | ||||||
phosphoacceptor receiver (REC) domain of probable transcriptional regulator Ycf29; Ycf29 is a probable response regulator of a two-component system (TCS), typically consisting a sensor and a response regulator, that functions in adaptation to changing environments. Processes regulated by TCSs in bacteria include sporulation, pathogenicity, virulence, chemotaxis, and membrane transport. Ycf29 contains an N-terminal REC domain and a LuxR-type helix-turn-helix DNA-binding output domain. REC domains function as phosphorylation-mediated switches within RRs, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381154 [Multi-domain] Cd Length: 102 Bit Score: 47.37 E-value: 5.25e-07
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| PRK09958 | PRK09958 | acid-sensing system DNA-binding response regulator EvgA; |
3-80 | 5.35e-07 | ||||||
acid-sensing system DNA-binding response regulator EvgA; Pssm-ID: 182168 [Multi-domain] Cd Length: 204 Bit Score: 49.51 E-value: 5.35e-07
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| PRK10840 | PRK10840 | transcriptional regulator RcsB; Provisional |
2-97 | 6.29e-07 | ||||||
transcriptional regulator RcsB; Provisional Pssm-ID: 182771 [Multi-domain] Cd Length: 216 Bit Score: 49.45 E-value: 6.29e-07
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| REC_HupR-like | cd17569 | phosphoacceptor receiver (REC) domain of hydrogen uptake protein regulator (HupR) and similar ... |
2-106 | 9.61e-07 | ||||||
phosphoacceptor receiver (REC) domain of hydrogen uptake protein regulator (HupR) and similar domains; This family is composed of mostly uncharacterized response regulators with similarity to the REC domains of response regulator components of two-component systems that regulates hydrogenase activity, including HupR and HoxA. HupR is part of the HupT/HupR system that controls the synthesis of the membrane-bound [NiFe]hydrogenase, HupSL, of the photosynthetic bacterium Rhodobacter capsulatus. It contains an N-terminal REC domain, a central sigma-54 interaction domain that lacks ATPase activity, and a C-terminal DNA-binding domain. Members of this family contain a REC domain and various output domains including the cyclase homology domain (CHD) and the c-di-GMP phosphodiesterase domains, HD-GYP and EAL. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381113 [Multi-domain] Cd Length: 118 Bit Score: 47.01 E-value: 9.61e-07
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| REC_OmpR_MtrA-like | cd17626 | phosphoacceptor receiver (REC) domain of MtrA-like OmpR family response regulators; MtrA is ... |
4-114 | 1.02e-06 | ||||||
phosphoacceptor receiver (REC) domain of MtrA-like OmpR family response regulators; MtrA is part of MtrA/MtrB (or MtrAB), a highly conserved two-component system (TCS) implicated in the regulation of cell division in the actinobacteria. In unicellular Mycobacterium tuberculosis, MtrAB coordinates DNA replication with cell division and regulates the transcription of resuscitation-promoting factor B. In filamentous Streptomyces venezuelae, it links antibiotic production to sporulation. MtrA belongs to the OmpR family of DNA-binding response regulators that contain N-terminal receiver (REC) and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381141 [Multi-domain] Cd Length: 115 Bit Score: 47.08 E-value: 1.02e-06
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| PRK10403 | PRK10403 | nitrate/nitrite response regulator protein NarP; |
4-90 | 1.32e-06 | ||||||
nitrate/nitrite response regulator protein NarP; Pssm-ID: 182431 [Multi-domain] Cd Length: 215 Bit Score: 48.70 E-value: 1.32e-06
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| PRK15115 | PRK15115 | response regulator GlrR; Provisional |
3-106 | 2.29e-06 | ||||||
response regulator GlrR; Provisional Pssm-ID: 185070 [Multi-domain] Cd Length: 444 Bit Score: 49.07 E-value: 2.29e-06
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| PRK15369 | PRK15369 | two component system response regulator; |
2-105 | 2.43e-06 | ||||||
two component system response regulator; Pssm-ID: 185267 [Multi-domain] Cd Length: 211 Bit Score: 47.77 E-value: 2.43e-06
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| REC_OmpR_BfmR-like | cd19939 | phosphoacceptor receiver (REC) domain of BfmR-like OmpR family response regulators; ... |
4-108 | 3.61e-06 | ||||||
phosphoacceptor receiver (REC) domain of BfmR-like OmpR family response regulators; Acinetobacter baumannii BfmR is part of the BfmR/S two-component system that functions as the master regulator of biofilm initiation. BfmR confers resistance to complement-mediated bactericidal activity, independent of capsular polysaccharide, and also increases resistance to the clinically important antimicrobials meropenem and colistin, making it a potential antimicrobial target. Its inhibition would have the dual benefit of significantly decreasing in vivo survival and increasing sensitivity to selected antimicrobials. Members of this subfamily belong to the OmpR family of DNA-binding response regulators, which are characterized by a REC domain and a winged helix-turn-helix (wHTH) DNA-binding output effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381166 [Multi-domain] Cd Length: 116 Bit Score: 45.44 E-value: 3.61e-06
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| PRK15479 | PRK15479 | transcriptional regulator TctD; |
4-127 | 4.37e-06 | ||||||
transcriptional regulator TctD; Pssm-ID: 185376 [Multi-domain] Cd Length: 221 Bit Score: 47.02 E-value: 4.37e-06
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| PRK10610 | PRK10610 | chemotaxis protein CheY; |
5-106 | 4.56e-06 | ||||||
chemotaxis protein CheY; Pssm-ID: 170568 [Multi-domain] Cd Length: 129 Bit Score: 45.35 E-value: 4.56e-06
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| PRK09935 | PRK09935 | fimbriae biosynthesis transcriptional regulator FimZ; |
3-105 | 5.05e-06 | ||||||
fimbriae biosynthesis transcriptional regulator FimZ; Pssm-ID: 182154 [Multi-domain] Cd Length: 210 Bit Score: 46.79 E-value: 5.05e-06
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| PRK14084 | PRK14084 | DNA-binding response regulator; |
2-167 | 1.00e-05 | ||||||
DNA-binding response regulator; Pssm-ID: 184495 [Multi-domain] Cd Length: 246 Bit Score: 46.28 E-value: 1.00e-05
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| PRK10766 | PRK10766 | two-component system response regulator TorR; |
3-106 | 1.92e-05 | ||||||
two-component system response regulator TorR; Pssm-ID: 182711 [Multi-domain] Cd Length: 221 Bit Score: 45.03 E-value: 1.92e-05
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| PRK11517 | PRK11517 | DNA-binding response regulator HprR; |
2-154 | 2.59e-05 | ||||||
DNA-binding response regulator HprR; Pssm-ID: 183172 [Multi-domain] Cd Length: 223 Bit Score: 44.89 E-value: 2.59e-05
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| REC_HupR | cd17596 | phosphoacceptor receiver (REC) domain of hydrogen uptake protein regulator (HupR); Members of ... |
4-106 | 3.52e-05 | ||||||
phosphoacceptor receiver (REC) domain of hydrogen uptake protein regulator (HupR); Members of this subfamily are response regulator components of two-component systems that regulates hydrogenase activity, including HupR and HoxA. HupR is part of the HupT/HupR system that controls the synthesis of the membrane-bound [NiFe]hydrogenase, HupSL, of the photosynthetic bacterium Rhodobacter capsulatus. It belongs to the nitrogen regulatory protein C (NtrC) family of response regulators, which activate transcription by RNA polymerase (RNAP) in response to a change in the environment. HupR is an unusual member of this family as it activates transcription when unphosphorylated, and transcription is inhibited by phosphorylation. Proteins in this subfamily contain an N-terminal REC domain, a central sigma-54 interaction domain that lacks ATPase activity, and a C-terminal DNA-binding domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381127 [Multi-domain] Cd Length: 133 Bit Score: 43.12 E-value: 3.52e-05
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| psREC-like_D2_PleD | cd17539 | REC-like adaptor domain (D2) of response regulator PleD; PleD contains a REC domain (D1) with ... |
4-113 | 4.19e-05 | ||||||
REC-like adaptor domain (D2) of response regulator PleD; PleD contains a REC domain (D1) with the phosphorylatable aspartate, a pseudo receiver (psREC)-like adaptor domain (D2), and the enzymatic diguanylate cyclase (DGC) domain, also called the GGDEF domain according to a conserved sequence motif, as its output domain. The GGDEF-containing PleD response regulators are global regulators of cell metabolism in some important human pathogens. This model describes the REC-like adaptor domain D2 of PleD, which is an inactive domain. Pssm-ID: 381094 [Multi-domain] Cd Length: 124 Bit Score: 42.69 E-value: 4.19e-05
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| PRK10701 | PRK10701 | DNA-binding transcriptional regulator RstA; Provisional |
38-131 | 4.29e-05 | ||||||
DNA-binding transcriptional regulator RstA; Provisional Pssm-ID: 236738 [Multi-domain] Cd Length: 240 Bit Score: 44.24 E-value: 4.29e-05
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| REC_PilR | cd19926 | phosphoacceptor receiver (REC) domain of type 4 fimbriae expression regulatory protein PilR ... |
4-106 | 6.99e-05 | ||||||
phosphoacceptor receiver (REC) domain of type 4 fimbriae expression regulatory protein PilR and similar proteins; Pseudomonas aeruginosa PilR is the response regulator of the PilS/PilR two-component regulatory system (PilSR TCS) that acts in conjunction with sigma-54 to regulate the expression of type 4 pilus (T4P) major subunit PilA. In addition, the PilSR TCS regulates flagellum-dependent swimming motility and pilus-dependent twitching motility. PilR contains an N-terminal REC domain, a central sigma-54 interaction domain, and a C-terminal Fis-type helix-turn-helix DNA-binding domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381153 [Multi-domain] Cd Length: 100 Bit Score: 41.37 E-value: 6.99e-05
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| PRK10816 | PRK10816 | two-component system response regulator PhoP; |
4-106 | 9.15e-05 | ||||||
two-component system response regulator PhoP; Pssm-ID: 182755 [Multi-domain] Cd Length: 223 Bit Score: 43.19 E-value: 9.15e-05
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| PRK11083 | PRK11083 | DNA-binding response regulator CreB; Provisional |
1-108 | 1.35e-04 | ||||||
DNA-binding response regulator CreB; Provisional Pssm-ID: 236838 [Multi-domain] Cd Length: 228 Bit Score: 42.64 E-value: 1.35e-04
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| PRK10360 | PRK10360 | transcriptional regulator UhpA; |
1-108 | 1.40e-04 | ||||||
transcriptional regulator UhpA; Pssm-ID: 182408 [Multi-domain] Cd Length: 196 Bit Score: 42.27 E-value: 1.40e-04
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| PRK10841 | PRK10841 | two-component system sensor histidine kinase RcsC; |
2-78 | 2.38e-04 | ||||||
two-component system sensor histidine kinase RcsC; Pssm-ID: 182772 [Multi-domain] Cd Length: 924 Bit Score: 43.04 E-value: 2.38e-04
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| REC_hyHK_blue-like | cd18161 | phosphoacceptor receiver (REC) domain of hybrid sensor histidine kinase/response regulators ... |
4-106 | 3.01e-04 | ||||||
phosphoacceptor receiver (REC) domain of hybrid sensor histidine kinase/response regulators similar to Pseudomonas savastanoi blue-light-activated histidine kinase; Typically, two-component regulatory systems (TCSs) consist of a sensor (histidine kinase) that responds to specific input(s) by modifying the output of a cognate response regulator (RR). TCSs allow organisms to sense and respond to changes in environmental conditions. Hybrid sensor histidine kinase (HK)/response regulators contain all the elements of a classical TCS in a single polypeptide chain. Pseudomonas savastanoi blue-light-activated histidine kinase is a photosensitive HK and RR that is involved in increased bacterial virulence upon exposure to light. RRs share the common phosphoacceptor REC domain and different effector/output domains such as DNA, RNA, ligand-binding, protein-binding, or enzymatic domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381145 [Multi-domain] Cd Length: 102 Bit Score: 39.64 E-value: 3.01e-04
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| PEP_resp_reg | TIGR02915 | PEP-CTERM-box response regulator transcription factor; Members of this protein family share ... |
4-106 | 3.35e-04 | ||||||
PEP-CTERM-box response regulator transcription factor; Members of this protein family share full-length homology with (but do not include) the acetoacetate metabolism regulatory protein AtoC (see SP|Q06065). These proteins have a Fis family DNA binding sequence (pfam02954), a response regulator receiver domain (pfam00072), and sigma-54 interaction domain (pfam00158). [Regulatory functions, DNA interactions] Pssm-ID: 274348 [Multi-domain] Cd Length: 445 Bit Score: 42.43 E-value: 3.35e-04
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| REC_RcNtrC-like | cd19928 | phosphoacceptor receiver (REC) domain of Rhodobacter capsulatus nitrogen regulatory protein C ... |
4-106 | 3.40e-04 | ||||||
phosphoacceptor receiver (REC) domain of Rhodobacter capsulatus nitrogen regulatory protein C (NtrC) and similar NtrC family response regulators; NtrC family proteins are transcriptional regulators that have REC, AAA+ ATPase/sigma-54 interaction, and DNA-binding output domains. This subfamily of NtrC proteins include NtrC, also called nitrogen regulator I (NRI), from Rhodobacter capsulatus, Azospirillum brasilense, and Azorhizobium caulinodans. NtrC is part of the NtrB/NtrC two-component system that controls the expression of the nitrogen-regulated (ntr) genes in response to nitrogen limitation. The N-terminal REC domain of NtrC proteins regulate the activity of the protein and its phosphorylation controls the AAA+ domain oligomerization, while the central AAA+ domain participates in nucleotide binding, hydrolysis, oligomerization, and sigma54 interaction. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381155 [Multi-domain] Cd Length: 100 Bit Score: 39.41 E-value: 3.40e-04
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| REC_typeA_ARR | cd17581 | phosphoacceptor receiver (REC) domain of type A Arabidopsis response regulators (ARRs) and ... |
4-106 | 3.42e-04 | ||||||
phosphoacceptor receiver (REC) domain of type A Arabidopsis response regulators (ARRs) and similar proteins; Type-A response regulators of Arabidopsis (ARRs) are involved in cytokinin signaling, which involves a phosphorelay cascade by histidine kinase receptors (AHKs), histidine phosphotransfer proteins (AHPs) and downstream ARRs. Cytokinin is a plant hormone implicated in many growth and development processes including shoot organogenesis, leaf senescence, sink/source relationships, vascular development, lateral bud release, and photomorphogenic development. Type-A ARRs function downstream of and are regulated by type-B ARRs, which are a class of MYB-type transcription factors. As primary cytokinin response genes, type-A ARRs act as redundant negative feedback regulators of cytokinin signaling by inactivating the phosphorelay. ARRs are divided into two groups, type-A and -B, according to their sequence and domain structure. Type-A ARRs are similar in domain structure to CheY, in that they lack a typical output domain and only contain a stand-alone receiver (REC) domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381119 [Multi-domain] Cd Length: 122 Bit Score: 40.04 E-value: 3.42e-04
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| PRK13435 | PRK13435 | response regulator; Provisional |
4-119 | 6.04e-04 | ||||||
response regulator; Provisional Pssm-ID: 184052 [Multi-domain] Cd Length: 145 Bit Score: 39.65 E-value: 6.04e-04
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| PRK11107 | PRK11107 | hybrid sensory histidine kinase BarA; Provisional |
2-64 | 9.12e-04 | ||||||
hybrid sensory histidine kinase BarA; Provisional Pssm-ID: 236848 [Multi-domain] Cd Length: 919 Bit Score: 40.99 E-value: 9.12e-04
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| REC_OmpR_CtrA | cd17616 | phosphoacceptor receiver (REC) domain of CtrA-like OmpR family response regulators; CtrA is ... |
4-106 | 1.27e-03 | ||||||
phosphoacceptor receiver (REC) domain of CtrA-like OmpR family response regulators; CtrA is part of the CckA-ChpT-CtrA phosphorelay that is conserved in alphaproteobacteria and is important in orchestrating the cell cycle, polar development, and flagellar biogenesis. CtrA is the master regulator of flagella synthesis genes and also regulates genes involved in the cell cycle, exopolysaccharide synthesis, and cyclic-di-GMP signaling. CtrA is active as a transcription factor when phosphorylated. It is a member of the OmpR family of DNA-binding response regulators, characterized by a REC domain and a winged helix-turn-helix (wHTH) DNA-binding output effector domain. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381132 [Multi-domain] Cd Length: 114 Bit Score: 38.16 E-value: 1.27e-03
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| pleD | PRK09581 | response regulator PleD; Reviewed |
3-106 | 1.42e-03 | ||||||
response regulator PleD; Reviewed Pssm-ID: 236577 [Multi-domain] Cd Length: 457 Bit Score: 40.27 E-value: 1.42e-03
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| REC_OmpR_RegX3-like | cd17621 | phosphoacceptor receiver (REC) domain of RegX3-like OmpR family response regulators; RegX3 is ... |
4-106 | 2.61e-03 | ||||||
phosphoacceptor receiver (REC) domain of RegX3-like OmpR family response regulators; RegX3 is a member of the SenX3-RegX3 two-component system that is involved in phosphate-sensing signal transduction. Phosphorylated RegX3 functions as a transcriptional activator of phoA. It induces transcription in phosphate limiting environment and also controls expression of several critical metabolic enzymes in aerobic condition. RegX3 belongs to the OmpR family of DNA-binding response regulators that contain N-terminal receiver and C-terminal DNA-binding winged helix-turn-helix effector domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381136 [Multi-domain] Cd Length: 99 Bit Score: 36.79 E-value: 2.61e-03
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| REC_CpdR_CckA-like | cd18160 | phosphoacceptor receiver (REC) domain of Brucella abortus CpdR and CckA, and similar domains; ... |
4-81 | 3.93e-03 | ||||||
phosphoacceptor receiver (REC) domain of Brucella abortus CpdR and CckA, and similar domains; Two-component systems (TCSs), consisting of a sensor and a response regulator, are used by bacteria to adapt to changing environments. Processes regulated by TCSs in bacteria include sporulation, pathogenicity, virulence, chemotaxis and membrane transport. Response regulators share the common phosphoacceptor REC domain and differ output domains such as DNA, RNA, ligand, and protein-binding, or enzymatic domain. CpdR is a stand-alone REC protein. CckA is a sensor histidine kinase containing N-terminal PAS domains and a C-terminal REC domain. CpdR and CckA are components of a regulatory phosphorelay system (composed of CckA, ChpT, CtrA and CpdR) that controls Brucella abortus cell growth, division, and intracellular survival inside mammalian host cells. CckA autophosphorylates in the presence of ATP and transfers a phosphoryl group to the conserved aspartic acid residue on its C-terminal REC domain, which is relayed to the ChpT phosphotransferase. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381144 [Multi-domain] Cd Length: 103 Bit Score: 36.33 E-value: 3.93e-03
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| REC_HP-RR-like | cd17573 | phosphoacceptor receiver (REC) domain of orphan response regulator HP-RR and similar proteins; ... |
4-106 | 6.29e-03 | ||||||
phosphoacceptor receiver (REC) domain of orphan response regulator HP-RR and similar proteins; Helicobacter pylori response regulator hp1043 (HP-RR) is an orphan response regulator which is phosphorylation-independent and is essential for growth. HP-RR functions as a cell growth-associated regulator in the absence of post-translational modification. Members of this subfamily contain REC and DNA-binding output domains. REC domains function as phosphorylation-mediated switches within response regulators, but some also transfer phosphoryl groups in multistep phosphorelays. Pssm-ID: 381115 [Multi-domain] Cd Length: 110 Bit Score: 35.87 E-value: 6.29e-03
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| PRK10643 | PRK10643 | two-component system response regulator PmrA; |
4-106 | 6.77e-03 | ||||||
two-component system response regulator PmrA; Pssm-ID: 182612 [Multi-domain] Cd Length: 222 Bit Score: 37.32 E-value: 6.77e-03
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