hemerythrin-like metal-binding domain; This model describes both members of the hemerythrin ...
6-132
1.40e-31
hemerythrin-like metal-binding domain; This model describes both members of the hemerythrin (TIGR00058) family of marine invertebrates and a broader collection of bacterial and archaeal homologs. Many of the latter group are multidomain proteins with signal-transducing domains such as the GGDEF diguanylate cyclase domain (TIGR00254, pfam00990) and methyl-accepting chemotaxis protein signaling domain (pfam00015). Most hemerythrins are oxygen-carriers with a bound non-heme iron, but at least one example is a cadmium-binding protein, apparently with a role in sequestering toxic metals rather than in binding oxygen. Patterns of conserved residues suggest that all prokaryotic instances of this domain bind iron or another heavy metal, but the exact function is unknown. Not surprisingly, the prokaryote with the most instances of this domain is Magnetococcus sp. MC-1, a magnetotactic bacterium.
:
Pssm-ID: 274154 Cd Length: 126 Bit Score: 115.90 E-value: 1.40e-31
Diguanylate-cyclase (DGC) or GGDEF domain; Diguanylate-cyclase (DGC) or GGDEF domain: ...
207-365
4.10e-56
Diguanylate-cyclase (DGC) or GGDEF domain; Diguanylate-cyclase (DGC) or GGDEF domain: Originally named after a conserved residue pattern, and initially described as a domain of unknown function 1 (DUF1). This domain is widely present in bacteria, linked to a wide range of non-homologous domains in a variety of cell signaling proteins. The domain shows homology to the adenylyl cyclase catalytic domain. This correlates with the functional information available on two GGDEF-containing proteins, namely diguanylate cyclase and phosphodiesterase A of Acetobacter xylinum, both of which regulate the turnover of cyclic diguanosine monophosphate. Together with the EAL domain, GGDEF might be involved in regulating cell surface adhesion in bacteria.
Pssm-ID: 143635 [Multi-domain] Cd Length: 158 Bit Score: 180.83 E-value: 4.10e-56
Diguanylate cyclase, GGDEF domain; This domain is found linked to a wide range of ...
206-363
3.45e-51
Diguanylate cyclase, GGDEF domain; This domain is found linked to a wide range of non-homologous domains in a variety of bacteria. It has been shown to be homologous to the adenylyl cyclase catalytic domain and has diguanylate cyclase activity. This observation correlates with the functional information available on two GGDEF-containing proteins, namely diguanylate cyclase and phosphodiesterase A of Acetobacter xylinum, both of which regulate the turnover of cyclic diguanosine monophosphate. In the WspR protein of Pseudomonas aeruginosa, the GGDEF domain acts as a diguanylate cyclase, PDB:3bre, when the whole molecule appears to form a tetramer consisting of two symmetrically-related dimers representing a biological unit. The active site is the GGD/EF motif, buried in the structure, and the cyclic dimeric guanosine monophosphate (c-di-GMP) bind to the inhibitory-motif RxxD on the surface. The enzyme thus catalyzes the cyclization of two guanosine triphosphate (GTP) molecules to one c-di-GMP molecule.
Pssm-ID: 425976 [Multi-domain] Cd Length: 160 Bit Score: 168.20 E-value: 3.45e-51
diguanylate cyclase (GGDEF) domain; The GGDEF domain is named for the motif GG[DE]EF shared by ...
205-364
1.01e-47
diguanylate cyclase (GGDEF) domain; The GGDEF domain is named for the motif GG[DE]EF shared by many proteins carrying the domain. There is evidence that the domain has diguanylate cyclase activity. Several proteins carrying this domain also carry domains with functions relating to environmental sensing. These include PleD, a response regulator protein involved in the swarmer-to-stalked cell transition in Caulobacter crescentus, and FixL, a heme-containing oxygen sensor protein. [Regulatory functions, Small molecule interactions, Signal transduction, Other]
Pssm-ID: 272984 [Multi-domain] Cd Length: 165 Bit Score: 159.42 E-value: 1.01e-47
hemerythrin-like metal-binding domain; This model describes both members of the hemerythrin ...
6-132
1.40e-31
hemerythrin-like metal-binding domain; This model describes both members of the hemerythrin (TIGR00058) family of marine invertebrates and a broader collection of bacterial and archaeal homologs. Many of the latter group are multidomain proteins with signal-transducing domains such as the GGDEF diguanylate cyclase domain (TIGR00254, pfam00990) and methyl-accepting chemotaxis protein signaling domain (pfam00015). Most hemerythrins are oxygen-carriers with a bound non-heme iron, but at least one example is a cadmium-binding protein, apparently with a role in sequestering toxic metals rather than in binding oxygen. Patterns of conserved residues suggest that all prokaryotic instances of this domain bind iron or another heavy metal, but the exact function is unknown. Not surprisingly, the prokaryote with the most instances of this domain is Magnetococcus sp. MC-1, a magnetotactic bacterium.
Pssm-ID: 274154 Cd Length: 126 Bit Score: 115.90 E-value: 1.40e-31
Hemerythrin; Hemerythrin (Hr) is a non-heme diiron oxygen transport protein found in four ...
16-130
3.66e-24
Hemerythrin; Hemerythrin (Hr) is a non-heme diiron oxygen transport protein found in four marine invertebrate phyla including priapulida, brachiopoda, sipunculida, and annelida, as well as in protozoa. Myohemerythrin (Mhr), a hemerythrin homolog, is found in the muscle tissue of sipunculids as well as in polycheate and oligocheate annelids. In addition to oxygen transport, Mhr proteins are involved in cadmium fixation and host anti-bacterial defense. Hr and Mhr proteins have the same "four alpha helix bundle" motif and active site structure. Hr forms oligomers, the octameric form being most prevalent, while Mhr is monomeric.
Pssm-ID: 213982 Cd Length: 113 Bit Score: 95.50 E-value: 3.66e-24
bacteriohemerythrin; Bacteriohemerythrin, an O2-carrying protein that lacks a heme moiety, is ...
4-129
4.37e-19
bacteriohemerythrin; Bacteriohemerythrin, an O2-carrying protein that lacks a heme moiety, is named based on its homology to eukaryotic proteins such as myohemerythrin.
Pssm-ID: 468167 Cd Length: 129 Bit Score: 82.16 E-value: 4.37e-19
Hemerythrin HHE cation binding domain; Iteration of the HHE family found it to be related to ...
12-128
2.00e-08
Hemerythrin HHE cation binding domain; Iteration of the HHE family found it to be related to Hemerythrin. It also demonstrated that what has been described as a single domain in fact consists of two cation binding domains. Members of this family occur all across nature and are involved in a variety of processes. For instance, in Nereis diversicolor Swiss:P80255 binds Cadmium so as to protect the organizm from toxicity. However Hemerythrin is classically described as Oxygen-binding through two attached Fe2+ ions. And the bacterial Swiss:Q7WX96 is a regulator of response to NO, which suggests yet another set-up for its metal ligands. In Staphylococcus aureus P72360 has been noted to be important when the organizm switches to living in environments with low oxygen concentrations; perhaps this protein acts as an oxygen store or scavenger. This domain can bind oxygen (Matilla et.al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043)
Pssm-ID: 396400 [Multi-domain] Cd Length: 128 Bit Score: 52.23 E-value: 2.00e-08
Diguanylate-cyclase (DGC) or GGDEF domain; Diguanylate-cyclase (DGC) or GGDEF domain: ...
207-365
4.10e-56
Diguanylate-cyclase (DGC) or GGDEF domain; Diguanylate-cyclase (DGC) or GGDEF domain: Originally named after a conserved residue pattern, and initially described as a domain of unknown function 1 (DUF1). This domain is widely present in bacteria, linked to a wide range of non-homologous domains in a variety of cell signaling proteins. The domain shows homology to the adenylyl cyclase catalytic domain. This correlates with the functional information available on two GGDEF-containing proteins, namely diguanylate cyclase and phosphodiesterase A of Acetobacter xylinum, both of which regulate the turnover of cyclic diguanosine monophosphate. Together with the EAL domain, GGDEF might be involved in regulating cell surface adhesion in bacteria.
Pssm-ID: 143635 [Multi-domain] Cd Length: 158 Bit Score: 180.83 E-value: 4.10e-56
Diguanylate cyclase, GGDEF domain; This domain is found linked to a wide range of ...
206-363
3.45e-51
Diguanylate cyclase, GGDEF domain; This domain is found linked to a wide range of non-homologous domains in a variety of bacteria. It has been shown to be homologous to the adenylyl cyclase catalytic domain and has diguanylate cyclase activity. This observation correlates with the functional information available on two GGDEF-containing proteins, namely diguanylate cyclase and phosphodiesterase A of Acetobacter xylinum, both of which regulate the turnover of cyclic diguanosine monophosphate. In the WspR protein of Pseudomonas aeruginosa, the GGDEF domain acts as a diguanylate cyclase, PDB:3bre, when the whole molecule appears to form a tetramer consisting of two symmetrically-related dimers representing a biological unit. The active site is the GGD/EF motif, buried in the structure, and the cyclic dimeric guanosine monophosphate (c-di-GMP) bind to the inhibitory-motif RxxD on the surface. The enzyme thus catalyzes the cyclization of two guanosine triphosphate (GTP) molecules to one c-di-GMP molecule.
Pssm-ID: 425976 [Multi-domain] Cd Length: 160 Bit Score: 168.20 E-value: 3.45e-51
diguanylate cyclase (GGDEF) domain; The GGDEF domain is named for the motif GG[DE]EF shared by ...
205-364
1.01e-47
diguanylate cyclase (GGDEF) domain; The GGDEF domain is named for the motif GG[DE]EF shared by many proteins carrying the domain. There is evidence that the domain has diguanylate cyclase activity. Several proteins carrying this domain also carry domains with functions relating to environmental sensing. These include PleD, a response regulator protein involved in the swarmer-to-stalked cell transition in Caulobacter crescentus, and FixL, a heme-containing oxygen sensor protein. [Regulatory functions, Small molecule interactions, Signal transduction, Other]
Pssm-ID: 272984 [Multi-domain] Cd Length: 165 Bit Score: 159.42 E-value: 1.01e-47
hemerythrin-like metal-binding domain; This model describes both members of the hemerythrin ...
6-132
1.40e-31
hemerythrin-like metal-binding domain; This model describes both members of the hemerythrin (TIGR00058) family of marine invertebrates and a broader collection of bacterial and archaeal homologs. Many of the latter group are multidomain proteins with signal-transducing domains such as the GGDEF diguanylate cyclase domain (TIGR00254, pfam00990) and methyl-accepting chemotaxis protein signaling domain (pfam00015). Most hemerythrins are oxygen-carriers with a bound non-heme iron, but at least one example is a cadmium-binding protein, apparently with a role in sequestering toxic metals rather than in binding oxygen. Patterns of conserved residues suggest that all prokaryotic instances of this domain bind iron or another heavy metal, but the exact function is unknown. Not surprisingly, the prokaryote with the most instances of this domain is Magnetococcus sp. MC-1, a magnetotactic bacterium.
Pssm-ID: 274154 Cd Length: 126 Bit Score: 115.90 E-value: 1.40e-31
Hemerythrin; Hemerythrin (Hr) is a non-heme diiron oxygen transport protein found in four ...
16-130
3.66e-24
Hemerythrin; Hemerythrin (Hr) is a non-heme diiron oxygen transport protein found in four marine invertebrate phyla including priapulida, brachiopoda, sipunculida, and annelida, as well as in protozoa. Myohemerythrin (Mhr), a hemerythrin homolog, is found in the muscle tissue of sipunculids as well as in polycheate and oligocheate annelids. In addition to oxygen transport, Mhr proteins are involved in cadmium fixation and host anti-bacterial defense. Hr and Mhr proteins have the same "four alpha helix bundle" motif and active site structure. Hr forms oligomers, the octameric form being most prevalent, while Mhr is monomeric.
Pssm-ID: 213982 Cd Length: 113 Bit Score: 95.50 E-value: 3.66e-24
bacteriohemerythrin; Bacteriohemerythrin, an O2-carrying protein that lacks a heme moiety, is ...
4-129
4.37e-19
bacteriohemerythrin; Bacteriohemerythrin, an O2-carrying protein that lacks a heme moiety, is named based on its homology to eukaryotic proteins such as myohemerythrin.
Pssm-ID: 468167 Cd Length: 129 Bit Score: 82.16 E-value: 4.37e-19
Class III nucleotidyl cyclases; Class III nucleotidyl cyclases are the largest, most diverse ...
238-358
3.19e-14
Class III nucleotidyl cyclases; Class III nucleotidyl cyclases are the largest, most diverse group of nucleotidyl cyclases (NC's) containing prokaryotic and eukaryotic proteins. They can be divided into two major groups; the mononucleotidyl cyclases (MNC's) and the diguanylate cyclases (DGC's). The MNC's, which include the adenylate cyclases (AC's) and the guanylate cyclases (GC's), have a conserved cyclase homology domain (CHD), while the DGC's have a conserved GGDEF domain, named after a conserved motif within this subgroup. Their products, cyclic guanylyl and adenylyl nucleotides, are second messengers that play important roles in eukaryotic signal transduction and prokaryotic sensory pathways.
Pssm-ID: 143637 [Multi-domain] Cd Length: 133 Bit Score: 68.92 E-value: 3.19e-14
Two-component response regulator, PleD family, consists of two REC domains and a diguanylate ...
279-357
3.19e-11
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: 61.46 E-value: 3.19e-11
hemerythrin family non-heme iron protein; This family includes oxygen carrier proteins of ...
4-125
1.14e-08
hemerythrin family non-heme iron protein; This family includes oxygen carrier proteins of various oligomeric states from the vascular fluid (hemerythrin) and muscle (myohemerythrin) of some marine invertebrates. Each unit binds 2 non-heme Fe using 5 H, one E and one D. One member of this family,from the sandworm Nereis diversicolor, is an unusual (non-metallothionein) cadmium-binding protein. Homologous proteins, excluded from this narrowly defined family, are found in archaea and bacteria (see pfam01814).
Pssm-ID: 129168 Cd Length: 115 Bit Score: 52.45 E-value: 1.14e-08
Hemerythrin HHE cation binding domain; Iteration of the HHE family found it to be related to ...
12-128
2.00e-08
Hemerythrin HHE cation binding domain; Iteration of the HHE family found it to be related to Hemerythrin. It also demonstrated that what has been described as a single domain in fact consists of two cation binding domains. Members of this family occur all across nature and are involved in a variety of processes. For instance, in Nereis diversicolor Swiss:P80255 binds Cadmium so as to protect the organizm from toxicity. However Hemerythrin is classically described as Oxygen-binding through two attached Fe2+ ions. And the bacterial Swiss:Q7WX96 is a regulator of response to NO, which suggests yet another set-up for its metal ligands. In Staphylococcus aureus P72360 has been noted to be important when the organizm switches to living in environments with low oxygen concentrations; perhaps this protein acts as an oxygen store or scavenger. This domain can bind oxygen (Matilla et.al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043)
Pssm-ID: 396400 [Multi-domain] Cd Length: 128 Bit Score: 52.23 E-value: 2.00e-08
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
of the residues that compose this conserved feature have been mapped to the query sequence.
Click on the triangle to view details about the feature, including a multiple sequence alignment
of your query sequence and the protein sequences used to curate the domain model,
where hash marks (#) above the aligned sequences show the location of the conserved feature residues.
The thumbnail image, if present, provides an approximate view of the feature's location in 3 dimensions.
Click on the triangle for interactive 3D structure viewing options.
Functional characterization of the conserved domain architecture found on the query.
Click here to see more details.
This image shows a graphical summary of conserved domains identified on the query sequence.
The Show Concise/Full Display button at the top of the page can be used to select the desired level of detail: only top scoring hits
(labeled illustration) or all hits
(labeled illustration).
Domains are color coded according to superfamilies
to which they have been assigned. Hits with scores that pass a domain-specific threshold
(specific hits) are drawn in bright colors.
Others (non-specific hits) and
superfamily placeholders are drawn in pastel colors.
if a domain or superfamily has been annotated with functional sites (conserved features),
they are mapped to the query sequence and indicated through sets of triangles
with the same color and shade of the domain or superfamily that provides the annotation. Mouse over the colored bars or triangles to see descriptions of the domains and features.
click on the bars or triangles to view your query sequence embedded in a multiple sequence alignment of the proteins used to develop the corresponding domain model.
The table lists conserved domains identified on the query sequence. Click on the plus sign (+) on the left to display full descriptions, alignments, and scores.
Click on the domain model's accession number to view the multiple sequence alignment of the proteins used to develop the corresponding domain model.
To view your query sequence embedded in that multiple sequence alignment, click on the colored bars in the Graphical Summary portion of the search results page,
or click on the triangles, if present, that represent functional sites (conserved features)
mapped to the query sequence.
Concise Display shows only the best scoring domain model, in each hit category listed below except non-specific hits, for each region on the query sequence.
(labeled illustration) Standard Display shows only the best scoring domain model from each source, in each hit category listed below for each region on the query sequence.
(labeled illustration) Full Display shows all domain models, in each hit category below, that meet or exceed the RPS-BLAST threshold for statistical significance.
(labeled illustration) Four types of hits can be shown, as available,
for each region on the query sequence:
specific hits meet or exceed a domain-specific e-value threshold
(illustrated example)
and represent a very high confidence that the query sequence belongs to the same protein family as the sequences use to create the domain model
non-specific hits
meet or exceed the RPS-BLAST threshold for statistical significance (default E-value cutoff of 0.01, or an E-value selected by user via the
advanced search options)
the domain superfamily to which the specific and non-specific hits belong
multi-domain models that were computationally detected and are likely to contain multiple single domains
Retrieve proteins that contain one or more of the domains present in the query sequence, using the Conserved Domain Architecture Retrieval Tool
(CDART).
Modify your query to search against a different database and/or use advanced search options
