linear ubiquitin E3 ligase, isoform I [Drosophila melanogaster]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||||
| HOIP-UBA | pfam16678 | HOIP UBA domain pair; HOIP-UB is a binding domain on E3 ubiquitin-protein ligase RNF31 like ... |
983-1131 | 9.57e-65 | ||||||
HOIP UBA domain pair; HOIP-UB is a binding domain on E3 ubiquitin-protein ligase RNF31 like proteins. E3 ubiquitin-protein ligase RNF31 is often referred to as HOIL-1L binding partner. The interaction of HOIL-1L and HOIP is thus via the UBL-UBA interaction. this interaction is important in E3 complex formation and the subsequent activation of NF-kappaB. This family contains two UBA-like domains. : Pssm-ID: 465229 [Multi-domain] Cd Length: 150 Bit Score: 217.13 E-value: 9.57e-65
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| Rcat_RBR_HOIP | cd20351 | Rcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called ... |
2619-2703 | 2.53e-58 | ||||||
Rcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for the interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of HOIP that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. : Pssm-ID: 439012 Cd Length: 85 Bit Score: 195.92 E-value: 2.53e-58
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| BRcat_RBR_HOIP | cd20337 | BRcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also ... |
2542-2618 | 1.35e-44 | ||||||
BRcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the BRcat domain of HOIP and similar proteins that adopt the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. : Pssm-ID: 438998 Cd Length: 78 Bit Score: 156.66 E-value: 1.35e-44
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| mRING-HC-C4C4_RBR_HOIP | cd16631 | Modified RING finger, HC subclass (C4C4-type), found in HOIL-1-interacting protein (HOIP) and ... |
2459-2512 | 3.43e-25 | ||||||
Modified RING finger, HC subclass (C4C4-type), found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also known as RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for the interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C4C4-type RING finger motif whose overall folding is similar to that of the C3HC4-type RING-HC finger. It is required for RBR-mediated ubiquitination. : Pssm-ID: 438293 Cd Length: 54 Bit Score: 100.43 E-value: 3.43e-25
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| E3_UbLigase_RBR super family | cl39486 | E3 Ubiquitin Ligase RBR C-terminal domain; This is the C-terminal domain of HOIP present in ... |
2707-2805 | 3.69e-25 | ||||||
E3 Ubiquitin Ligase RBR C-terminal domain; This is the C-terminal domain of HOIP present in Homo sapiens. HOIP synthesize the linear ubiquitin chains that help control innate immunity and inflammation. This region has an RBR domain which catalyzes the transfer of ubiquitin onto a substrate. The actual alignment was detected with superfamily member pfam18091: Pssm-ID: 436265 Cd Length: 92 Bit Score: 101.68 E-value: 3.69e-25
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| Bbox1_HOIP | cd19815 | B-box-type 1 zinc finger found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, ... |
89-132 | 1.65e-16 | ||||||
B-box-type 1 zinc finger found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also termed RING finger protein 31 (RNF31), or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains a B-box motif that shows high sequence similarity with B-Box-type 1 zinc finger found in tripartite motif-containing proteins (TRIMs). The type 1 B-box (Bbox1) zinc finger is characterized by a C6H2 zinc-binding consensus motif. : Pssm-ID: 380873 Cd Length: 43 Bit Score: 75.06 E-value: 1.65e-16
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| Activator_LAG-3 super family | cl29315 | Transcriptional activator LAG-3; The C.elegans Notch pathway, involved in the control of ... |
245-398 | 1.20e-04 | ||||||
Transcriptional activator LAG-3; The C.elegans Notch pathway, involved in the control of growth, differentiation and patterning in animal development, relies on either of the receptors GLP-1 or LIN-12. Both these receptors promote signalling by the recruitment of LAG-3 to target promoters, where it then acts as a transcriptional activator. LAG-3 works as a ternary complex together with the DNA binding protein, LAG-1. Its N-terminal region adopts an elongated kinked helix that is required for complex assembly. The actual alignment was detected with superfamily member pfam11498: Pssm-ID: 151935 [Multi-domain] Cd Length: 476 Bit Score: 47.26 E-value: 1.20e-04
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| ZnF_RBZ | smart00547 | Zinc finger domain; Zinc finger domain in Ran-binding proteins (RanBPs), and other proteins. ... |
684-708 | 1.98e-04 | ||||||
Zinc finger domain; Zinc finger domain in Ran-binding proteins (RanBPs), and other proteins. In RanBPs, this domain binds RanGDP. : Pssm-ID: 197784 [Multi-domain] Cd Length: 25 Bit Score: 40.76 E-value: 1.98e-04
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| DamX super family | cl34574 | Cell division protein DamX, binds to the septal ring, contains C-terminal SPOR domain [Cell ... |
2101-2201 | 2.30e-04 | ||||||
Cell division protein DamX, binds to the septal ring, contains C-terminal SPOR domain [Cell cycle control, cell division, chromosome partitioning]; The actual alignment was detected with superfamily member COG3266: Pssm-ID: 442497 [Multi-domain] Cd Length: 455 Bit Score: 46.38 E-value: 2.30e-04
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| DUF5585 super family | cl39316 | Family of unknown function (DUF5585); This is a family of unknown function found in chordata. |
2085-2325 | 2.64e-04 | ||||||
Family of unknown function (DUF5585); This is a family of unknown function found in chordata. The actual alignment was detected with superfamily member pfam17823: Pssm-ID: 465521 [Multi-domain] Cd Length: 506 Bit Score: 46.49 E-value: 2.64e-04
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| rne super family | cl35953 | ribonuclease E; Reviewed |
1429-1718 | 2.82e-04 | ||||||
ribonuclease E; Reviewed The actual alignment was detected with superfamily member PRK10811: Pssm-ID: 236766 [Multi-domain] Cd Length: 1068 Bit Score: 46.57 E-value: 2.82e-04
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| PRK12323 super family | cl46901 | DNA polymerase III subunit gamma/tau; |
1238-1349 | 9.68e-04 | ||||||
DNA polymerase III subunit gamma/tau; The actual alignment was detected with superfamily member PRK14960: Pssm-ID: 481241 [Multi-domain] Cd Length: 702 Bit Score: 44.65 E-value: 9.68e-04
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| Not5 super family | cl35042 | CCR4-NOT transcriptional regulation complex, NOT5 subunit [Transcription]; |
1594-1948 | 2.59e-03 | ||||||
CCR4-NOT transcriptional regulation complex, NOT5 subunit [Transcription]; The actual alignment was detected with superfamily member COG5665: Pssm-ID: 444384 [Multi-domain] Cd Length: 874 Bit Score: 43.50 E-value: 2.59e-03
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| Name | Accession | Description | Interval | E-value | |||||||||
| HOIP-UBA | pfam16678 | HOIP UBA domain pair; HOIP-UB is a binding domain on E3 ubiquitin-protein ligase RNF31 like ... |
983-1131 | 9.57e-65 | |||||||||
HOIP UBA domain pair; HOIP-UB is a binding domain on E3 ubiquitin-protein ligase RNF31 like proteins. E3 ubiquitin-protein ligase RNF31 is often referred to as HOIL-1L binding partner. The interaction of HOIL-1L and HOIP is thus via the UBL-UBA interaction. this interaction is important in E3 complex formation and the subsequent activation of NF-kappaB. This family contains two UBA-like domains. Pssm-ID: 465229 [Multi-domain] Cd Length: 150 Bit Score: 217.13 E-value: 9.57e-65
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| Rcat_RBR_HOIP | cd20351 | Rcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called ... |
2619-2703 | 2.53e-58 | |||||||||
Rcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for the interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of HOIP that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439012 Cd Length: 85 Bit Score: 195.92 E-value: 2.53e-58
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| BRcat_RBR_HOIP | cd20337 | BRcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also ... |
2542-2618 | 1.35e-44 | |||||||||
BRcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the BRcat domain of HOIP and similar proteins that adopt the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. Pssm-ID: 438998 Cd Length: 78 Bit Score: 156.66 E-value: 1.35e-44
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| mRING-HC-C4C4_RBR_HOIP | cd16631 | Modified RING finger, HC subclass (C4C4-type), found in HOIL-1-interacting protein (HOIP) and ... |
2459-2512 | 3.43e-25 | |||||||||
Modified RING finger, HC subclass (C4C4-type), found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also known as RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for the interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C4C4-type RING finger motif whose overall folding is similar to that of the C3HC4-type RING-HC finger. It is required for RBR-mediated ubiquitination. Pssm-ID: 438293 Cd Length: 54 Bit Score: 100.43 E-value: 3.43e-25
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| E3_UbLigase_RBR | pfam18091 | E3 Ubiquitin Ligase RBR C-terminal domain; This is the C-terminal domain of HOIP present in ... |
2707-2805 | 3.69e-25 | |||||||||
E3 Ubiquitin Ligase RBR C-terminal domain; This is the C-terminal domain of HOIP present in Homo sapiens. HOIP synthesize the linear ubiquitin chains that help control innate immunity and inflammation. This region has an RBR domain which catalyzes the transfer of ubiquitin onto a substrate. Pssm-ID: 436265 Cd Length: 92 Bit Score: 101.68 E-value: 3.69e-25
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| Bbox1_HOIP | cd19815 | B-box-type 1 zinc finger found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, ... |
89-132 | 1.65e-16 | |||||||||
B-box-type 1 zinc finger found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also termed RING finger protein 31 (RNF31), or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains a B-box motif that shows high sequence similarity with B-Box-type 1 zinc finger found in tripartite motif-containing proteins (TRIMs). The type 1 B-box (Bbox1) zinc finger is characterized by a C6H2 zinc-binding consensus motif. Pssm-ID: 380873 Cd Length: 43 Bit Score: 75.06 E-value: 1.65e-16
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| IBR | smart00647 | In Between Ring fingers; the domains occurs between pairs og RING fingers |
2545-2607 | 5.45e-12 | |||||||||
In Between Ring fingers; the domains occurs between pairs og RING fingers Pssm-ID: 214763 [Multi-domain] Cd Length: 64 Bit Score: 63.20 E-value: 5.45e-12
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| IBR | pfam01485 | IBR domain, a half RING-finger domain; The IBR (In Between Ring fingers) domain is often found ... |
2545-2607 | 6.18e-11 | |||||||||
IBR domain, a half RING-finger domain; The IBR (In Between Ring fingers) domain is often found to occur between pairs of ring fingers (pfam00097). This domain has also been called the C6HC domain and DRIL (for double RING finger linked) domain. Proteins that contain two Ring fingers and an IBR domain (these proteins are also termed RBR family proteins) are thought to exist in all eukaryotic organizms. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. The ubiquitin ligase Parkin is an RBR family protein whose mutations are involved in forms of familial Parkinson's disease. Pssm-ID: 460227 Cd Length: 65 Bit Score: 60.25 E-value: 6.18e-11
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| UBA_RNF31 | cd14325 | UBA domain found in E3 ubiquitin-protein ligase RING finger protein 31 and similar proteins; ... |
1076-1129 | 2.36e-06 | |||||||||
UBA domain found in E3 ubiquitin-protein ligase RING finger protein 31 and similar proteins; RNF31, also called HOIL-1-interacting protein (HOIP), or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. RNF31 contains a central ubiquitin-associated (UBA) domain that is responsible for the interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L. In addition, RNF31 can interact with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. Pssm-ID: 270510 Cd Length: 55 Bit Score: 46.80 E-value: 2.36e-06
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| Activator_LAG-3 | pfam11498 | Transcriptional activator LAG-3; The C.elegans Notch pathway, involved in the control of ... |
245-398 | 1.20e-04 | |||||||||
Transcriptional activator LAG-3; The C.elegans Notch pathway, involved in the control of growth, differentiation and patterning in animal development, relies on either of the receptors GLP-1 or LIN-12. Both these receptors promote signalling by the recruitment of LAG-3 to target promoters, where it then acts as a transcriptional activator. LAG-3 works as a ternary complex together with the DNA binding protein, LAG-1. Its N-terminal region adopts an elongated kinked helix that is required for complex assembly. Pssm-ID: 151935 [Multi-domain] Cd Length: 476 Bit Score: 47.26 E-value: 1.20e-04
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| ZnF_RBZ | smart00547 | Zinc finger domain; Zinc finger domain in Ran-binding proteins (RanBPs), and other proteins. ... |
684-708 | 1.98e-04 | |||||||||
Zinc finger domain; Zinc finger domain in Ran-binding proteins (RanBPs), and other proteins. In RanBPs, this domain binds RanGDP. Pssm-ID: 197784 [Multi-domain] Cd Length: 25 Bit Score: 40.76 E-value: 1.98e-04
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| DamX | COG3266 | Cell division protein DamX, binds to the septal ring, contains C-terminal SPOR domain [Cell ... |
2101-2201 | 2.30e-04 | |||||||||
Cell division protein DamX, binds to the septal ring, contains C-terminal SPOR domain [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 442497 [Multi-domain] Cd Length: 455 Bit Score: 46.38 E-value: 2.30e-04
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| DUF5585 | pfam17823 | Family of unknown function (DUF5585); This is a family of unknown function found in chordata. |
2085-2325 | 2.64e-04 | |||||||||
Family of unknown function (DUF5585); This is a family of unknown function found in chordata. Pssm-ID: 465521 [Multi-domain] Cd Length: 506 Bit Score: 46.49 E-value: 2.64e-04
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| rne | PRK10811 | ribonuclease E; Reviewed |
1429-1718 | 2.82e-04 | |||||||||
ribonuclease E; Reviewed Pssm-ID: 236766 [Multi-domain] Cd Length: 1068 Bit Score: 46.57 E-value: 2.82e-04
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| PRK14960 | PRK14960 | DNA polymerase III subunit gamma/tau; |
1238-1349 | 9.68e-04 | |||||||||
DNA polymerase III subunit gamma/tau; Pssm-ID: 237868 [Multi-domain] Cd Length: 702 Bit Score: 44.65 E-value: 9.68e-04
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| rne | PRK10811 | ribonuclease E; Reviewed |
2074-2223 | 1.39e-03 | |||||||||
ribonuclease E; Reviewed Pssm-ID: 236766 [Multi-domain] Cd Length: 1068 Bit Score: 44.26 E-value: 1.39e-03
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| IBR | pfam01485 | IBR domain, a half RING-finger domain; The IBR (In Between Ring fingers) domain is often found ... |
2637-2677 | 1.73e-03 | |||||||||
IBR domain, a half RING-finger domain; The IBR (In Between Ring fingers) domain is often found to occur between pairs of ring fingers (pfam00097). This domain has also been called the C6HC domain and DRIL (for double RING finger linked) domain. Proteins that contain two Ring fingers and an IBR domain (these proteins are also termed RBR family proteins) are thought to exist in all eukaryotic organizms. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. The ubiquitin ligase Parkin is an RBR family protein whose mutations are involved in forms of familial Parkinson's disease. Pssm-ID: 460227 Cd Length: 65 Bit Score: 39.07 E-value: 1.73e-03
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| MDN1 | COG5271 | Midasin, AAA ATPase with vWA domain, involved in ribosome maturation [Translation, ribosomal ... |
1403-1947 | 1.77e-03 | |||||||||
Midasin, AAA ATPase with vWA domain, involved in ribosome maturation [Translation, ribosomal structure and biogenesis]; Pssm-ID: 444083 [Multi-domain] Cd Length: 1028 Bit Score: 43.85 E-value: 1.77e-03
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| Not5 | COG5665 | CCR4-NOT transcriptional regulation complex, NOT5 subunit [Transcription]; |
1594-1948 | 2.59e-03 | |||||||||
CCR4-NOT transcriptional regulation complex, NOT5 subunit [Transcription]; Pssm-ID: 444384 [Multi-domain] Cd Length: 874 Bit Score: 43.50 E-value: 2.59e-03
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| Name | Accession | Description | Interval | E-value | |||||||||
| HOIP-UBA | pfam16678 | HOIP UBA domain pair; HOIP-UB is a binding domain on E3 ubiquitin-protein ligase RNF31 like ... |
983-1131 | 9.57e-65 | |||||||||
HOIP UBA domain pair; HOIP-UB is a binding domain on E3 ubiquitin-protein ligase RNF31 like proteins. E3 ubiquitin-protein ligase RNF31 is often referred to as HOIL-1L binding partner. The interaction of HOIL-1L and HOIP is thus via the UBL-UBA interaction. this interaction is important in E3 complex formation and the subsequent activation of NF-kappaB. This family contains two UBA-like domains. Pssm-ID: 465229 [Multi-domain] Cd Length: 150 Bit Score: 217.13 E-value: 9.57e-65
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| Rcat_RBR_HOIP | cd20351 | Rcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called ... |
2619-2703 | 2.53e-58 | |||||||||
Rcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for the interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of HOIP that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439012 Cd Length: 85 Bit Score: 195.92 E-value: 2.53e-58
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| BRcat_RBR_HOIP | cd20337 | BRcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also ... |
2542-2618 | 1.35e-44 | |||||||||
BRcat domain found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also called RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the BRcat domain of HOIP and similar proteins that adopt the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. Pssm-ID: 438998 Cd Length: 78 Bit Score: 156.66 E-value: 1.35e-44
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| mRING-HC-C4C4_RBR_HOIP | cd16631 | Modified RING finger, HC subclass (C4C4-type), found in HOIL-1-interacting protein (HOIP) and ... |
2459-2512 | 3.43e-25 | |||||||||
Modified RING finger, HC subclass (C4C4-type), found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also known as RING finger protein 31 (RNF31) or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains three Npl4 zinc fingers, a central ubiquitin-associated (UBA) domain responsible for the interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L, an RBR domain, and a C-terminal linear chain determining domain (LDD). The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C4C4-type RING finger motif whose overall folding is similar to that of the C3HC4-type RING-HC finger. It is required for RBR-mediated ubiquitination. Pssm-ID: 438293 Cd Length: 54 Bit Score: 100.43 E-value: 3.43e-25
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| E3_UbLigase_RBR | pfam18091 | E3 Ubiquitin Ligase RBR C-terminal domain; This is the C-terminal domain of HOIP present in ... |
2707-2805 | 3.69e-25 | |||||||||
E3 Ubiquitin Ligase RBR C-terminal domain; This is the C-terminal domain of HOIP present in Homo sapiens. HOIP synthesize the linear ubiquitin chains that help control innate immunity and inflammation. This region has an RBR domain which catalyzes the transfer of ubiquitin onto a substrate. Pssm-ID: 436265 Cd Length: 92 Bit Score: 101.68 E-value: 3.69e-25
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| Bbox1_HOIP | cd19815 | B-box-type 1 zinc finger found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, ... |
89-132 | 1.65e-16 | |||||||||
B-box-type 1 zinc finger found in HOIL-1-interacting protein (HOIP) and similar proteins; HOIP, also termed RING finger protein 31 (RNF31), or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. It also interacts with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. HOIP contains a B-box motif that shows high sequence similarity with B-Box-type 1 zinc finger found in tripartite motif-containing proteins (TRIMs). The type 1 B-box (Bbox1) zinc finger is characterized by a C6H2 zinc-binding consensus motif. Pssm-ID: 380873 Cd Length: 43 Bit Score: 75.06 E-value: 1.65e-16
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| IBR | smart00647 | In Between Ring fingers; the domains occurs between pairs og RING fingers |
2545-2607 | 5.45e-12 | |||||||||
In Between Ring fingers; the domains occurs between pairs og RING fingers Pssm-ID: 214763 [Multi-domain] Cd Length: 64 Bit Score: 63.20 E-value: 5.45e-12
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| BRcat_Rcat_RBR | cd14799 | BRcat (benign-catalytic) and Rcat (required-for-catalysis) domains, part of the RBR ... |
2633-2670 | 6.95e-12 | |||||||||
BRcat (benign-catalytic) and Rcat (required-for-catalysis) domains, part of the RBR (RING1-BRcat-Rcat) domain; The RBR family of RING-type E3 ligases are characterized by containing an RBR (RING1-BRcat-Rcat) domain, which was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. It is composed of an extended RING domain (RING1) followed by an in-between RING (IBR) domain and the catalytic domain, which is structurally an IBR domain but is commonly designated as RING2. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBRs has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis), where the IBR and RING2 domains have been renamed as BRcat and Rcat domains, respectively. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. The BRcat domain adopts the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. Pssm-ID: 438995 Cd Length: 37 Bit Score: 62.13 E-value: 6.95e-12
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| Rcat_RBR | cd20336 | Rcat (required-for-catalysis) domain, part of the RBR (RING1-BRcat-Rcat) domain; The RBR ... |
2633-2671 | 2.28e-11 | |||||||||
Rcat (required-for-catalysis) domain, part of the RBR (RING1-BRcat-Rcat) domain; The RBR family of RING-type E3 ligases are characterized by containing an RBR domain, which was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. It is composed of an extended RING domain (RING1) followed by an in-between RING (IBR) domain and the catalytic domain, which is structurally an IBR domain but is commonly designated RING2. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently, where the IBR and RING2 domains have been renamed as BRcat and Rcat domains, respectively. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. The Rcat domain contains the catalytic cysteine residue and ubiquitination activity. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. This model corresponds to the Rcat domain that adopts the same fold as the BRcat domain. Pssm-ID: 438997 Cd Length: 38 Bit Score: 60.31 E-value: 2.28e-11
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| IBR | pfam01485 | IBR domain, a half RING-finger domain; The IBR (In Between Ring fingers) domain is often found ... |
2545-2607 | 6.18e-11 | |||||||||
IBR domain, a half RING-finger domain; The IBR (In Between Ring fingers) domain is often found to occur between pairs of ring fingers (pfam00097). This domain has also been called the C6HC domain and DRIL (for double RING finger linked) domain. Proteins that contain two Ring fingers and an IBR domain (these proteins are also termed RBR family proteins) are thought to exist in all eukaryotic organizms. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. The ubiquitin ligase Parkin is an RBR family protein whose mutations are involved in forms of familial Parkinson's disease. Pssm-ID: 460227 Cd Length: 65 Bit Score: 60.25 E-value: 6.18e-11
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| BRcat_RBR | cd20335 | BRcat (benign-catalytic) domain, part of the RBR (RING1-BRcat-Rcat) domain; The RBR family of ... |
2559-2610 | 3.41e-10 | |||||||||
BRcat (benign-catalytic) domain, part of the RBR (RING1-BRcat-Rcat) domain; The RBR family of RING-type E3 ligases are characterized by containing an RBR domain, which was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. It is composed of an extended RING domain (RING1) followed by an in-between RING (IBR) domain and the catalytic domain, which is structurally an IBR domain but is commonly designated as RING2. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently, where the IBR and RING2 domains have been renamed as BRcat and Rcat domains, respectively. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. The BRcat domain adopts the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. The model corresponds to the BRcat domain. Pssm-ID: 438996 Cd Length: 53 Bit Score: 57.55 E-value: 3.41e-10
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| Rcat_RBR_TRIAD1 | cd20360 | Rcat domain found in two RING fingers and DRIL [double RING finger linked] 1 (TRIAD1); TRIAD1, ... |
2636-2667 | 1.75e-07 | |||||||||
Rcat domain found in two RING fingers and DRIL [double RING finger linked] 1 (TRIAD1); TRIAD1, also called ariadne-2 (ARI-2), protein ariadne-2 homolog, Ariadne RBR E3 ubiquitin protein ligase 2 (ARIH2), or UbcM4-interacting protein 48, is an RBR-type E3 ubiquitin-protein ligase that catalyzes the formation of polyubiquitin chains linked via lysine-48 as well as lysine-63 residues. Its auto-ubiquitylation can be catalyzed by the E2 conjugating enzyme UBCH7. TRIAD1 has been implicated in hematopoiesis, specifically in myelopoiesis, as well as in embryogenesis. It functions as a regulator of endosomal transport, and is required for the proper function of multivesicular bodies. It also acts as a novel ubiquitination target for proteasome-dependent degradation by murine double minute 2 (MDM2). As a proapoptotic protein, TRIAD1 promotes p53 activation, and inhibits MDM2-mediated p53 ubiquitination and degradation. Furthermore, TRIAD1 can inhibit the ubiquitination and proteasomal degradation of growth factor independence 1 (Gfi1), a transcriptional repressor essential for the function and development of many different hematopoietic lineages. TRIAD1 contains an RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of TRIAD1 that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439021 Cd Length: 56 Bit Score: 50.08 E-value: 1.75e-07
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| Rcat_RBR_ARI7-like | cd22583 | Rcat domain found in E3 ubiquitin-protein ligase ARI7 and similar proteins; This subfamily ... |
2637-2672 | 3.07e-07 | |||||||||
Rcat domain found in E3 ubiquitin-protein ligase ARI7 and similar proteins; This subfamily contains probable RBR-type E3 ubiquitin-protein ligases (EC 2.3.2.31) including Arabidopsis thaliana ARI5, ARI6, ARI7, and ARI8, as well as Dictyostelium discoideum RbrA (also called Ariadne-like ubiquitin ligase). They may function as part of E3 complexes, which accept ubiquitin from E2 ubiquitin-conjugating enzymes and then transfer it to substrates. RbrA may be required for normal cell-type proportioning and cell sorting during multicellular development, and is also necessary for spore cell viability. Members of this subfamily contain an RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of ARI7-like proteins that are essential for RBR E3 ligase activity and adopt the same fold as the BRcat domain. Pssm-ID: 439034 Cd Length: 55 Bit Score: 49.37 E-value: 3.07e-07
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| Rcat_RBR_RNF217 | cd20350 | Rcat domain found in RING finger protein 217 (RNF217); RNF217, also called IBR ... |
2637-2671 | 5.31e-07 | |||||||||
Rcat domain found in RING finger protein 217 (RNF217); RNF217, also called IBR domain-containing protein 1 (IBRDC1), is a transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligase, with different splice variants, that is mainly expressed in testis and skeletal muscle. It interacts with the anti-apoptotic protein HAX1, and is adjacent to a translocation breakpoint involving ETV6 in childhood acute lymphoblastic leukemia (ALL). RNF217 contains an RBR domain followed by TMs. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of RNF217 that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439011 Cd Length: 68 Bit Score: 48.89 E-value: 5.31e-07
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| RING-HC_RBR_RNF14 | cd16628 | RING finger, HC subclass, found in RING finger protein 14 (RNF14) and similar proteins; RNF14, ... |
2459-2507 | 9.63e-07 | |||||||||
RING finger, HC subclass, found in RING finger protein 14 (RNF14) and similar proteins; RNF14, also known as androgen receptor-associated protein 54 (ARA54), HFB30, or Triad2 protein, is an RBR-type E3 ubiquitin-protein ligase that is highly expressed in the testis and interacts with class III E2s (UBE2E2, UbcH6, and UBE2E3). Its differential localization may play an important role in testicular development and spermatogenesis in humans. RNF14 functions as a transcriptional regulator of mitochondrial and immune function in muscle. It is a ligand-dependent androgen receptor (AR) co-activator and may also may participate in enhancing cell cycle progression and cell proliferation via induction of cyclin D1. Moreover, RNF14 is crucial for colon cancer cell survival. It acts as a new enhancer of the Wnt-dependent transcriptional outputs that acts at the level of the T-cell factor/lymphoid enhancer factor (TCF/LEF)-beta-catenin complex. RNF14 contains an N-terminal RWD domain and a C-terminal RBR domain. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C3HC4-type RING-HC finger required for RBR-mediated ubiquitination. Pssm-ID: 438290 Cd Length: 59 Bit Score: 48.07 E-value: 9.63e-07
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| RING-HC_RBR_HHARI | cd16626 | RING finger, HC subclass, found in human homolog of Drosophila ariadne (HHARI) and similar ... |
2459-2507 | 2.03e-06 | |||||||||
RING finger, HC subclass, found in human homolog of Drosophila ariadne (HHARI) and similar proteins; This subfamily includes Drosophila melanogaster protein ariadne-1 (ARI-1), and its eukaryotic homologs, such as HHARI. ARI-1 is a widely expressed Drosophila RING-finger protein that localizes mainly in the cytoplasm and is required for neural development. It interacts with a novel ubiquitin-conjugating enzyme, UbcD10. HHARI, also known as H7-AP2, monocyte protein 6 (MOP-6), protein ariadne-1 homolog, Ariadne RBR E3 ubiquitin protein ligase 1 (ARIH1), ariadne-1 (ARI-1), UbcH7-binding protein, UbcM4-interacting protein, or ubiquitin-conjugating enzyme E2-binding protein 1, is an RBR-type E3 ubiquitin-protein ligase highly expressed in nuclei, where it is co-localized with nuclear bodies including Cajal, PML, and Lewy bodies. It interacts with the E2 conjugating enzymes UbcH7, UbcH8, UbcM4, and UbcD10 in human, mouse, and fly, and modulates the ubiquitylation of substrate proteins including single-minded 2 (SIM2) and translation initiation factor 4E homologous protein (4EHP). It functions as a potent mediator of DNA damage-induced translation arrest, which protects stem and cancer cells against genotoxic stress by initiating a 4EHP-mediated mRNA translation arrest. HHARI contains an RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C3HC4-type RING-HC finger required for RBR-mediated ubiquitination. Pssm-ID: 438288 Cd Length: 59 Bit Score: 46.96 E-value: 2.03e-06
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| UBA_RNF31 | cd14325 | UBA domain found in E3 ubiquitin-protein ligase RING finger protein 31 and similar proteins; ... |
1076-1129 | 2.36e-06 | |||||||||
UBA domain found in E3 ubiquitin-protein ligase RING finger protein 31 and similar proteins; RNF31, also called HOIL-1-interacting protein (HOIP), or zinc in-between-RING-finger ubiquitin-associated domain protein, together with HOIL-1 and SHARPIN, forms the E3-ligase complex (also known as linear-ubiquitin-chain assembly complex LUBAC) that regulates NF-kappaB activity and apoptosis. RNF31 contains a central ubiquitin-associated (UBA) domain that is responsible for the interaction with the N-terminal ubiquitin-like domain (UBL) of HOIL-1L. In addition, RNF31 can interact with the atypical mammalian orphan receptor DAX-1, trigger DAX-1 ubiquitination and stabilization, and participate in repressing steroidogenic gene expression. Pssm-ID: 270510 Cd Length: 55 Bit Score: 46.80 E-value: 2.36e-06
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| Rcat_RBR_unk | cd22584 | Rcat domain found in an uncharacterized subfamily of RBR proteins; This subfamily contains ... |
2637-2670 | 3.11e-06 | |||||||||
Rcat domain found in an uncharacterized subfamily of RBR proteins; This subfamily contains uncharacterized members of the RBR family, including Arabidopsis thaliana mutator-like transposase and hypothetical protein At2g19610/F3P11.21. The RBR family of RING-type E3 ligases are characterized by containing a RBR domain, which was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. It is composed of an extended RING domain (RING1) followed by an in-between RING (IBR) domain and the catalytic domain, which is structurally an IBR domain but is commonly designated RING2. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently, where the IBR and RING2 domains have been renamed as BRcat and Rcat domains, respectively. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. This model corresponds to the Rcat domain that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439035 Cd Length: 37 Bit Score: 46.07 E-value: 3.11e-06
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| Rcat_RBR_parkin | cd20357 | Rcat domain found in parkin and similar proteins; Parkin, also called Parkinson juvenile ... |
2637-2670 | 5.18e-06 | |||||||||
Rcat domain found in parkin and similar proteins; Parkin, also called Parkinson juvenile disease protein 2, is an RBR-type E3 ubiquitin-protein ligase that is associated with recessive early onset Parkinson's disease (PD), and exerts a protective effect against dopamine-induced alpha-synuclein-dependent cell toxicity. Mutations in the parkin gene cause autosomal recessive juvenile parkinsonism. Parkin functions within a multiprotein E3 ubiquitin ligase complex, catalyzing the covalent attachment of ubiquitin moieties onto substrate proteins, such as BCL2, SYT11, CCNE1, GPR37, RHOT1/MIRO1, MFN1, MFN2, STUB1, SNCAIP, SEPT5, TOMM20, USP30, ZNF746, and AIMP2. It mediates monoubiquitination as well as Lys6-, Lys11-, Lys48- and Lys63-linked polyubiquitination of substrates depending on the context. Parkin may enhance cell viability and protects dopaminergic neurons from oxidative stress-mediated death by regulating mitochondrial function. It also limits the production of reactive oxygen species (ROS), and regulates cyclin-E during neuronal apoptosis. Moreover, parkin displays a ubiquitin ligase-independent function in transcriptional repression of p53. Parkin contains an N-terminal ubiquitin-like domain and a C-terminal RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of parkin that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439018 Cd Length: 55 Bit Score: 45.84 E-value: 5.18e-06
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| RING-HC_RBR_TRIAD1 | cd16773 | RING finger, HC subclass, found in two RING fingers and DRIL [double RING finger linked] 1 ... |
2460-2510 | 8.55e-06 | |||||||||
RING finger, HC subclass, found in two RING fingers and DRIL [double RING finger linked] 1 (TRIAD1); TRIAD1, also known as ariadne-2 (ARI-2), protein ariadne-2 homolog, Ariadne RBR E3 ubiquitin protein ligase 2 (ARIH2), or UbcM4-interacting protein 48, is an RBR-type E3 ubiquitin-protein ligase that catalyzes the formation of polyubiquitin chains linked via lysine-48, as well as lysine-63 residues. Its auto-ubiquitylation can be catalyzed by the E2 conjugating enzyme UBCH7. TRIAD1 has been implicated in hematopoiesis, specifically in myelopoiesis, as well as in embryogenesis. It functions as a regulator of endosomal transport and is required for the proper function of multivesicular bodies. It also acts as a novel ubiquitination target for proteasome-dependent degradation by murine double minute 2 (MDM2). As a proapoptotic protein, TRIAD1 promotes p53 activation, and inhibits MDM2-mediated p53 ubiquitination and degradation. Furthermore, TRIAD1 can inhibit the ubiquitination and proteasomal degradation of growth factor independence 1 (Gfi1), a transcriptional repressor essential for the function and development of many different hematopoietic lineages. TRIAD1 contains an RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C3HC4-type RING-HC finger required for RBR-mediated ubiquitination. Pssm-ID: 438429 [Multi-domain] Cd Length: 54 Bit Score: 45.04 E-value: 8.55e-06
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| BRcat_RBR_unk | cd22582 | BRcat domain found in an uncharacterized subfamily of RBR proteins; This subfamily contains ... |
2583-2610 | 1.65e-05 | |||||||||
BRcat domain found in an uncharacterized subfamily of RBR proteins; This subfamily contains uncharacterized members of the RBR family, including Arabidopsis thaliana mutator-like transposase, hypothetical protein F9K21.90, and hypothetical protein T16H5.30. The RBR family of RING-type E3 ligases are characterized by containing a RBR domain, which was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. It is composed of an extended RING domain (RING1) followed by an in-between RING (IBR) domain and the catalytic domain, which is structurally an IBR domain but is commonly designated RING2. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently, where the IBR and RING2 domains have been renamed as BRcat and Rcat domains, respectively. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. The BRcat domain adopts the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. Pssm-ID: 439033 Cd Length: 56 Bit Score: 44.28 E-value: 1.65e-05
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| RING-HC_RBR_RNF19A | cd16775 | RING finger, HC subclass, found in RING finger protein 19A (RNF19A) and similar proteins; ... |
2460-2509 | 2.93e-05 | |||||||||
RING finger, HC subclass, found in RING finger protein 19A (RNF19A) and similar proteins; RNF19A, also known as double ring-finger protein (Dorfin) or p38, is a transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligase that localizes to the ubiquitylated inclusions in Parkinson's disease (PD), dementia with Lewy bodies, multiple system atrophy, and amyotrophic lateral sclerosis (ALS). It interacts with Psmc3, a protein component of the 19S regulatory cap of the 26S proteasome, and further participates in the ubiquitin-proteasome system in acrosome biogenesis, spermatid head shaping, and development of the head-tail coupling apparatus and tail. It modulates the ubiquitination and degradation of calcium-sensing receptor (CaR), which may contribute to a general mechanism for CaR quality control during biosynthesis. Moreover, RNF19A can also ubiquitylate mutant superoxide dismutase 1 (SOD1), the causative gene of familial ALS. It may associate with endoplasmic reticulum-associated degradation (ERAD) pathway, which is related to the pathogenesis of neurodegenerative disorders, such as PD or Alzheimer's disease. RNF19A contains an RBR domain followed by three TMs. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C3HC4-type RING-HC finger required for RBR-mediated ubiquitination. Pssm-ID: 438431 Cd Length: 56 Bit Score: 43.71 E-value: 2.93e-05
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| RING-HC | cd16449 | HC subclass of RING (RING-HC) finger and its variants; The RING finger is a specialized type ... |
2460-2509 | 5.91e-05 | |||||||||
HC subclass of RING (RING-HC) finger and its variants; The RING finger is a specialized type of Zn-finger of 40 to 60 residues that binds two atoms of zinc. It is defined by the "cross-brace" motif that chelates zinc atoms by eight amino acid residues, typically Cys or His, arranged in a characteristic spacing. Canonical RING motifs have been categorized into two major subclasses, RING-HC (C3HC4-type) and RING-H2 (C3H2C3-type), according to their Cys/His content. There are also many variants of RING fingers. Some have a different Cys/His pattern. Some lack a single Cys or His residue at typical Zn ligand positions, especially, the fourth or eighth zinc ligand is prevalently exchanged for an Asp, which can chelate Zn in a RING finger as well. This family corresponds to the HC subclass of RING (RING-HC) fingers that are characterized by containing C3HC4-type canonical RING-HC fingers or noncanonical RING-HC finger variants, including C4C4-, C3HC3D-, C2H2C4-, and C3HC5-type modified RING-HC fingers. The canonical RING-HC finger has been defined as C-X2-C-X(9-39)-C-X(1-3)-H-X(2-3)-C-X2-C-X(4-48)-C-X2-C. It binds two Zn ions in a unique "cross-brace" arrangement, which distinguishes it from tandem zinc fingers and other similar motifs. RING-HC fingers can be found in a group of diverse proteins with a variety of cellular functions, including oncogenesis, development, viral replication, signal transduction, the cell cycle, and apoptosis. Many of them are ubiquitin-protein ligases (E3s) that serve as scaffolds for binding to ubiquitin-conjugating enzymes (E2s, also referred to as ubiquitin carrier proteins or UBCs) in close proximity to substrate proteins, which enables efficient transfer of ubiquitin from E2 to the substrates. Pssm-ID: 438113 [Multi-domain] Cd Length: 41 Bit Score: 42.47 E-value: 5.91e-05
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| Rcat_RBR_ANKIB1 | cd20361 | Rcat domain found in ankyrin repeat and IBR domain-containing protein 1 (ANKIB1) and similar ... |
2630-2667 | 7.11e-05 | |||||||||
Rcat domain found in ankyrin repeat and IBR domain-containing protein 1 (ANKIB1) and similar proteins; ANKIB1 is an RBR-type E3 ubiquitin-protein ligase that may function as part of an E3 complex, which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes and then transfers it to substrates. It contains N-terminal ankyrin repeats, and an RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of ANKIB1 that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439022 Cd Length: 62 Bit Score: 42.83 E-value: 7.11e-05
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| RING-HC_RBR_CUL9 | cd16624 | RING finger, HC subclass, found in cullin-9 (CUL-9) and similar proteins; CUL-9, also known as ... |
2461-2507 | 7.54e-05 | |||||||||
RING finger, HC subclass, found in cullin-9 (CUL-9) and similar proteins; CUL-9, also known as UbcH7-associated protein 1 (H7-AP1), p53-associated parkin-like cytoplasmic protein, or PARC, is a cytoplasmic RBR-type E3 ubiquitin-protein ligase that is a tumor suppressor and promotes p53-dependent apoptosis. It mediates the ubiquitination and degradation of cytosolic cytochrome c to promote survival in neurons and cancer cells. It is also a critical downstream effector of the 3M complex in the maintenance of microtubules and genome integrity. Moreover, CUL-9, together with CUL-7, forms homodimers and heterodimers, as well as some atypical cullin RING ligase complexes, which may exhibit ubiquitin ligase activity. CUL-9 contains a CPH domain (Cul7, PARC, and HERC2), a DOC (DOC1/APC10) domain, cullin homology (CH) domains linked with E3 ligase function, and a C-terminal RBR domain previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C3HC4-type RING-HC finger required for RBR-mediated ubiquitination. Pssm-ID: 438286 Cd Length: 53 Bit Score: 42.48 E-value: 7.54e-05
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| mRING-HC-C4C4_RBR_RNF144 | cd16632 | Modified RING finger, HC subclass (C4C4-type), found in RNF144 proteins; This group includes ... |
2461-2507 | 7.71e-05 | |||||||||
Modified RING finger, HC subclass (C4C4-type), found in RNF144 proteins; This group includes RNF144A and RNF144B, both of which are transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligases. RNF144A, also known as UbcM4-interacting protein 4 (UIP4) or ubiquitin-conjugating enzyme 7-interacting protein 4, targets DNA-dependent protein kinase catalytic subunit (DNA-PKcs), and thus promote DNA damage-induced cell apoptosis. It is transcriptionally repressed by metastasis-associated protein 1 (MTA1) and inhibits MTA1-driven cancer cell migration and invasion. RNF144B, also known as PIR2, IBR domain-containing protein 2 (IBRDC2), or p53-inducible RING finger protein (p53RFP), induces p53-dependent but caspase-independent apoptosis. It interacts with E2 ubiquitin-conjugating enzymes UbcH7 and UbcH8, but not with UbcH5. It is involved in ubiquitination and degradation of p21, a p53 downstream protein promoting growth arrest and antagonizing apoptosis, suggesting a role in switching a cell from p53-mediated growth arrest to apoptosis. Moreover, RNF144B regulates the levels of Bax, a pro-apoptotic protein from the Bcl-2 family, and protects cells from unprompted Bax activation and cell death. It also regulates epithelial homeostasis by mediating degradation of p21WAF1 and p63. Both RNF144A and RNF144B contain an RBR domain followed by a potential single-TM domain. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C4C4-type RING finger whose overall folding is similar to that of the C3HC4-type RING-HC finger. It is required for RBR-mediated ubiquitination. Pssm-ID: 438294 Cd Length: 53 Bit Score: 42.33 E-value: 7.71e-05
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| RING-HC_ITT1-like | cd23134 | RING finger, HC subclass, found in Saccharomyces cerevisiae translation termination inhibitor ... |
2459-2507 | 9.51e-05 | |||||||||
RING finger, HC subclass, found in Saccharomyces cerevisiae translation termination inhibitor protein ITT1 and similar proteins; ITT1 is a protein that modulates the efficiency of translation termination, resulting in the readthrough of all three types of nonsense codons UAA, UAG and UGA. ITT1 contains a typical C3HC4-type RING-HC finger. Pssm-ID: 438496 Cd Length: 60 Bit Score: 42.31 E-value: 9.51e-05
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| Activator_LAG-3 | pfam11498 | Transcriptional activator LAG-3; The C.elegans Notch pathway, involved in the control of ... |
245-398 | 1.20e-04 | |||||||||
Transcriptional activator LAG-3; The C.elegans Notch pathway, involved in the control of growth, differentiation and patterning in animal development, relies on either of the receptors GLP-1 or LIN-12. Both these receptors promote signalling by the recruitment of LAG-3 to target promoters, where it then acts as a transcriptional activator. LAG-3 works as a ternary complex together with the DNA binding protein, LAG-1. Its N-terminal region adopts an elongated kinked helix that is required for complex assembly. Pssm-ID: 151935 [Multi-domain] Cd Length: 476 Bit Score: 47.26 E-value: 1.20e-04
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| Bbox1 | cd19757 | B-box-type 1 zinc finger (Bbox1); The B-box-type zinc finger is a short zinc binding domain of ... |
89-127 | 1.47e-04 | |||||||||
B-box-type 1 zinc finger (Bbox1); The B-box-type zinc finger is a short zinc binding domain of around 40 amino acid residues in length. It has been found in transcription factors, ribonucleoproteins and proto-oncoproteins, such as in TRIM (tripartite motif) proteins that consist of an N-terminal RING finger (originally called an A-box), followed by 1-2 B-box domains and a coiled-coil domain (also called RBCC for Ring, B-box, Coiled-Coil). The B-box-type zinc finger often presents in combination with other motifs, like RING zinc finger, NHL motif, coiled-coil or RFP domain, in functionally unrelated proteins, most likely mediating protein-protein interactions. Based on different consensus sequences and the spacing of the 7-8 zinc-binding residues, the B-box-type zinc fingers can be divided into two groups, type 1 (Bbox1: C6H2) and type 2 (Bbox2: CHC3H2). This family corresponds to the type 1 B-box (Bbox1). Pssm-ID: 380815 [Multi-domain] Cd Length: 44 Bit Score: 41.33 E-value: 1.47e-04
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| Rcat_RBR_HHARI-like | cd20356 | Rcat domain found in human homolog of Drosophila Ariadne (HHARI) and similar proteins; This ... |
2630-2670 | 1.63e-04 | |||||||||
Rcat domain found in human homolog of Drosophila Ariadne (HHARI) and similar proteins; This subfamily includes Drosophila melanogaster protein ariadne-1 (ARI-1), and its eukaryotic homologs, such as HHARI. ARI-1 is a widely expressed Drosophila RING-finger protein that localizes mainly in the cytoplasm, and is required for neural development. It interacts with the ubiquitin-conjugating enzyme, UbcD10. HHARI is also called H7-AP2, monocyte protein 6 (MOP-6), protein ariadne-1 homolog, Ariadne RBR E3 ubiquitin protein ligase 1 (ARIH1), ariadne-1 (ARI-1), UbcH7-binding protein, UbcM4-interacting protein, or ubiquitin-conjugating enzyme E2-binding protein. It is an RBR-type E3 ubiquitin-protein ligase highly expressed in nuclei, where it is co-localized with nuclear bodies including Cajal, PML, and Lewy bodies. It interacts with the E2 conjugating enzymes UbcH7, UbcH8, UbcM4 and UbcD10 in human, mouse and fly, and modulates the ubiquitylation of substrate proteins including single-minded 2 (SIM2) and translation initiation factor 4E homologous protein (4EHP). It functions as a potent mediator of DNA damage-induced translation arrest, which protects stem and cancer cells against genotoxic stress by initiating a 4EHP-mediated mRNA translation arrest. HHARI contains an RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of HHARI and similar proteins that are essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439017 Cd Length: 58 Bit Score: 41.58 E-value: 1.63e-04
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| ZnF_RBZ | smart00547 | Zinc finger domain; Zinc finger domain in Ran-binding proteins (RanBPs), and other proteins. ... |
684-708 | 1.98e-04 | |||||||||
Zinc finger domain; Zinc finger domain in Ran-binding proteins (RanBPs), and other proteins. In RanBPs, this domain binds RanGDP. Pssm-ID: 197784 [Multi-domain] Cd Length: 25 Bit Score: 40.76 E-value: 1.98e-04
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| BRcat_RBR_RNF144 | cd20349 | BRcat domain found in the RNF144 protein subfamily; The RNF144 subfamily includes RNF144A and ... |
2559-2611 | 2.24e-04 | |||||||||
BRcat domain found in the RNF144 protein subfamily; The RNF144 subfamily includes RNF144A and RNF144B, which are transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligases. RNF144A, also called UbcM4-interacting protein 4 (UIP4), or ubiquitin-conjugating enzyme 7-interacting protein 4, targets DNA-dependent protein kinase catalytic subunit (DNA-PKcs), and thus promotes DNA damage-induced cell apoptosis. It is transcriptionally repressed by metastasis-associated protein 1 (MTA1) and inhibits MTA1-driven cancer cell migration and invasion. RNF144B, also called PIR2, IBR domain-containing protein 2 (IBRDC2), or p53-inducible RING finger protein (p53RFP), induces p53-dependent but caspase-independent apoptosis. It interacts with E2 ubiquitin-conjugating enzymes UbcH7 and UbcH8, but not with UbcH5. It is involved in ubiquitination and degradation of p21, a p53 downstream protein promoting growth arrest and antagonizing apoptosis, suggesting a role in switching a cell from p53-mediated growth arrest to apoptosis. Moreover, RNF144B regulates the levels of Bax, a pro-apoptotic protein from the Bcl-2 family, and protects cells from unprompted Bax activation and cell death. It also regulates epithelial homeostasis by mediating degradation of p21WAF1 and p63. Both RNF144A and RNF144B contain an RBR domain followed by a potential single-TM domain. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the BRcat domain of the RNF144 protein subfamily that adopts the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. Pssm-ID: 439010 Cd Length: 64 Bit Score: 41.60 E-value: 2.24e-04
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| DamX | COG3266 | Cell division protein DamX, binds to the septal ring, contains C-terminal SPOR domain [Cell ... |
2101-2201 | 2.30e-04 | |||||||||
Cell division protein DamX, binds to the septal ring, contains C-terminal SPOR domain [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 442497 [Multi-domain] Cd Length: 455 Bit Score: 46.38 E-value: 2.30e-04
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| Rcat_RBR_DEAH12-like | cd22585 | Rcat domain of ATP-dependent RNA helicase DEAH12 and similar proteins; This group includes ... |
2636-2677 | 2.31e-04 | |||||||||
Rcat domain of ATP-dependent RNA helicase DEAH12 and similar proteins; This group includes Arabidopsis thaliana ATP-dependent RNA helicases DEAH11 and DEAH12, which may be bifunctional proteins that function as DEAD-box RNA helicases (EC 3.6.4.13) and RBR-type E3 ubiquitin-protein ligases (EC 2.3.2.31). As RNA helicases, they may utilize the energy from ATP hydrolysis to unwind RNA (or DNA). DEAD-box RNA helicases participate in every aspect of RNA metabolism. As E3 ubiquitin-protein ligase, they may function as part of E3 complexes, which accept ubiquitin from specific E2 ubiquitin-conjugating enzymes and then transfer it to substrates. Other members of this group may not have an RNA helicase domain. All members contain an RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439036 Cd Length: 52 Bit Score: 41.18 E-value: 2.31e-04
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| DUF5585 | pfam17823 | Family of unknown function (DUF5585); This is a family of unknown function found in chordata. |
2085-2325 | 2.64e-04 | |||||||||
Family of unknown function (DUF5585); This is a family of unknown function found in chordata. Pssm-ID: 465521 [Multi-domain] Cd Length: 506 Bit Score: 46.49 E-value: 2.64e-04
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| rne | PRK10811 | ribonuclease E; Reviewed |
1429-1718 | 2.82e-04 | |||||||||
ribonuclease E; Reviewed Pssm-ID: 236766 [Multi-domain] Cd Length: 1068 Bit Score: 46.57 E-value: 2.82e-04
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| RING-H2_RNF130 | cd16803 | RING finger, H2 subclass, found in RING finger protein 130 (RNF130) and similar proteins; ... |
2461-2511 | 3.03e-04 | |||||||||
RING finger, H2 subclass, found in RING finger protein 130 (RNF130) and similar proteins; RNF130, also known as Goliath homolog (H-Goliath), is a paralog of RNF128, also known as gene related to anergy in lymphocytes protein (GRAIL). It is a transmembrane E3 ubiquitin-protein ligase expressed in leukocytes. It has a self-ubiquitination property, and controls the development of T cell clonal anergy by ubiquitination. RNF130 contains an N-terminal signal peptide, a protease-associated (PA) domain, a transmembrane (TM) domain and a C-terminal C3H2C3-type RING-H2 finger domain followed by a putative PEST sequence. Pssm-ID: 319717 [Multi-domain] Cd Length: 49 Bit Score: 40.73 E-value: 3.03e-04
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| RING-HC_RBR_RNF19B | cd16776 | RING finger, HC subclass, found in RING finger protein 19B (RNF19B) and similar proteins; ... |
2460-2509 | 6.44e-04 | |||||||||
RING finger, HC subclass, found in RING finger protein 19B (RNF19B) and similar proteins; RNF19B, also known as IBR domain-containing protein 3 or natural killer lytic-associated molecule (NKLAM), is a transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligase that plays a role in controlling tumor dissemination and metastasis. It is involved in the cytolytic function of natural killer (NK) cells and cytotoxic T lymphocytes (CTLs). It interacts with ubiquitin conjugates UbcH7 and UbcH8, and ubiquitinates uridine kinase like-1 (URKL-1) protein, targeting it for degradation. Moreover, RNF19B is a novel component of macrophage phagosomes and plays a role in macrophage anti-bacterial activity. It functions as a novel modulator of macrophage inducible nitric oxide synthase (iNOS) expression. RNF19B contains an RBR domain followed by three TMs. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C3HC4-type RING-HC finger required for RBR-mediated ubiquitination. Pssm-ID: 438432 Cd Length: 64 Bit Score: 40.15 E-value: 6.44e-04
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| BRcat_RBR_RNF217 | cd20342 | BRcat domain found in RING finger protein 217 (RNF217); RNF217, also termed IBR ... |
2558-2616 | 6.57e-04 | |||||||||
BRcat domain found in RING finger protein 217 (RNF217); RNF217, also termed IBR domain-containing protein 1 (IBRDC1), is a transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligase mainly expressed in testis and skeletal muscle with different splice variants. It interacts with the anti-apoptotic protein HAX1, and is adjacent to a translocation breakpoint involving ETV6 in childhood acute lymphoblastic leukemia (ALL). RNF217 contains a RBR domain followed by TMs. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain use an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. The family corresponds to the BRcat (benign-catalytic) domain that adopts the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. Pssm-ID: 439003 Cd Length: 74 Bit Score: 40.43 E-value: 6.57e-04
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| Bbox1_CYLD | cd19816 | B-box-type 1 zinc finger found in tumor suppressor cylindromatosis (CYLD) and similar proteins; ... |
90-127 | 8.24e-04 | |||||||||
B-box-type 1 zinc finger found in tumor suppressor cylindromatosis (CYLD) and similar proteins; CYLD, also termed ubiquitin carboxyl-terminal hydrolase CYLD, or deubiquitinating enzyme CYLD, or ubiquitin thioesterase CYLD, or ubiquitin-specific-processing protease CYLD, is a microtubule-associated deubiquitinase that specifically cleaves Lys-63-linked polyubiquitin chains. It plays a pivotal role in a wide range of cellular activities, including innate immunity, cell division, and ciliogenesis. CYLD antagonizes NF-kappaB and JNK signaling by disassembly of Lys63-linked ubiquitin chains synthesized in response to cytokine stimulation. Structural characterization reveals a small zinc-binding B-box inserted within the ubiquitin specific protease (USP) domain of CYLD. The B-box motif shows high sequence similarity with B-Box-type 1 zinc finger found in tripartite motif-containing proteins (TRIMs) and is responsible for its intermolecular interaction and cytoplasmic localization. The type 1 B-box (Bbox1) zinc finger is characterized by a C6H2 zinc-binding consensus motif. Pssm-ID: 380874 Cd Length: 56 Bit Score: 39.76 E-value: 8.24e-04
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| PRK14960 | PRK14960 | DNA polymerase III subunit gamma/tau; |
1238-1349 | 9.68e-04 | |||||||||
DNA polymerase III subunit gamma/tau; Pssm-ID: 237868 [Multi-domain] Cd Length: 702 Bit Score: 44.65 E-value: 9.68e-04
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| RING-H2_RNF11 | cd16468 | RING finger, H2 subclass, found in RING finger protein 11 (RNF11) and similar proteins; RNF11 ... |
2460-2510 | 1.02e-03 | |||||||||
RING finger, H2 subclass, found in RING finger protein 11 (RNF11) and similar proteins; RNF11 is an E3 ubiquitin-protein ligase that acts both as an adaptor and a modulator of itch-mediated control of ubiquitination events underlying membrane traffic. It acts downstream of an enzymatic cascade for the ubiquitination of specific substrates. It is also a molecular adaptor of homologous to E6-associated protein C-terminus (HECT)-type ligases. RNF11 has been implicated in the regulation of several signaling pathways. It enhances transforming growth factor receptor (TGFR) signaling by both abrogating Smurf2-mediated receptor ubiquitination and by promoting the Smurf2-mediated degradation of AMSH (associated molecule with the SH3 domain of STAM), a de-ubiquitinating enzyme that enhances TGF-beta signaling and epidermal growth factor receptor (EGFR) endosomal recycling. It also acts directly on Smad4 to enhance Smad4 function, and plays a role in prolonged TGF-beta signaling. RNF11 also functions as a critical component of the A20 ubiquitin-editing protein complex that negatively regulates tumor necrosis factor (TNF)-mediated nuclear factor (NF)-kappaB activation. It interacts with Smad anchor for receptor activation (SARA) and the endosomal sorting complex required for transport (ESCRT)-0 complex, thus participating in the regulation of lysosomal degradation of EGFR. RNF11 acts as a novel GGA cargo actively participating in regulating the ubiquitination of the GGA protein family. RNF11 functions together with TAX1BP1 to target TANK-binding kinase 1 (TBK1)/IkappaB kinase IKKi, and further restricts antiviral signaling and type I interferon (IFN)-beta production. RNF11 contains an N-terminal PPPY motif that binds WW domain-containing proteins such as AIP4/itch, Nedd4 and Smurf1/2 (SMAD-specific E3 ubiquitin-protein ligase 1/2), and a C-terminal C3H2C3-type RING-H2 finger that functions as a scaffold for the coordinated transfer of ubiquitin to substrate proteins together with the E2 enzymes UbcH527 and Ubc13. Pssm-ID: 438131 [Multi-domain] Cd Length: 43 Bit Score: 38.88 E-value: 1.02e-03
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| BRcat_RBR_RNF216 | cd20339 | BRcat domain found in RING finger protein 216 (RNF216); RNF216, also called Triad ... |
2560-2610 | 1.04e-03 | |||||||||
BRcat domain found in RING finger protein 216 (RNF216); RNF216, also called Triad domain-containing protein 3 (Triad3A), ubiquitin-conjugating enzyme 7-interacting protein 1, or zinc finger protein inhibiting NF-kappa-B (ZIN), is an RBR-type E3 ubiquitin-protein ligase that interacts with several components of the Toll-like receptor (TLR) signaling pathway and promotes their proteolytic degradation. It negatively regulates the RIG-I RNA sensing pathway through Lys48-linked, ubiquitin-mediated degradation of the tumor necrosis factor (TNF) receptor-associated factor 3 (TRAF3) adapter following RNA virus infection. It also controls ubiquitination and proteasomal degradation of receptor-interacting protein 1 (RIP1), a serine/threonine protein kinase that is critically involved in TNF receptor-1-induced NF-kappa B activation, following disruption of Hsp90 binding. Moreover, RNF216 is involved in inflammatory diseases by strongly inhibiting autophagy in macrophages. It interacts with and ubiquitinates BECN1, a key regulator in autophagy, thereby contributing to BECN1 degradation. It regulates synaptic strength by ubiquitination of Arc, resulting in its rapid proteasomal degradation. It is also a key negative regulator of sustained 2DL4/KIR2DL4 (killer cell Ig-like receptor with two Ig-like domains and a long cytoplasmic domain 4)-mediated NF-kappaB signaling from internalized 2DL4, which functions by promoting ubiquitylation and degradation of endocytosed receptor from early endosomes. Furthermore, RNF216 interacts with human immunodeficiency virus type 1 (HIV-1) virion infectivity factor (Vif) protein, which is essential for the productive infection of primary human CD4 T lymphocytes and macrophages. Mutations in RNF216 may result in Gordon Holmes syndrome, a condition defined by hypogonadotropic hypogonadism and cerebellar ataxia, as well as in autosomal recessive Huntington-like disorder. RNF216 contains an RBR domain that was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the BRcat domain of RNF216 that adopts the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. Pssm-ID: 439000 Cd Length: 54 Bit Score: 39.25 E-value: 1.04e-03
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| rne | PRK10811 | ribonuclease E; Reviewed |
2074-2223 | 1.39e-03 | |||||||||
ribonuclease E; Reviewed Pssm-ID: 236766 [Multi-domain] Cd Length: 1068 Bit Score: 44.26 E-value: 1.39e-03
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| mRING-HC-C4C4_RBR_RNF144A | cd16777 | Modified RING finger, HC subclass (C4C4-type), found in RING finger protein 144A (RNF144A); ... |
2461-2513 | 1.49e-03 | |||||||||
Modified RING finger, HC subclass (C4C4-type), found in RING finger protein 144A (RNF144A); RNF144A, also known as UbcM4-interacting protein 4 (UIP4) or ubiquitin-conjugating enzyme 7-interacting protein 4, is a transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligase that targets DNA-dependent protein kinase catalytic subunit (DNA-PKcs) and thus promotes DNA damage-induced cell apoptosis. It is transcriptionally repressed by metastasis-associated protein 1 (MTA1) and inhibits MTA1-driven cancer cell migration and invasion. RNF144A contains an RBR domain followed by a potential single-TM domain. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C4C4-type RING finger whose overall folding is similar to that of the C3HC4-type RING-HC finger. It is responsible for the interaction of E2-conjugating enzymes UbcH7 and UbcH8. Pssm-ID: 438433 Cd Length: 55 Bit Score: 38.80 E-value: 1.49e-03
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| IBR | pfam01485 | IBR domain, a half RING-finger domain; The IBR (In Between Ring fingers) domain is often found ... |
2637-2677 | 1.73e-03 | |||||||||
IBR domain, a half RING-finger domain; The IBR (In Between Ring fingers) domain is often found to occur between pairs of ring fingers (pfam00097). This domain has also been called the C6HC domain and DRIL (for double RING finger linked) domain. Proteins that contain two Ring fingers and an IBR domain (these proteins are also termed RBR family proteins) are thought to exist in all eukaryotic organizms. RBR family members play roles in protein quality control and can indirectly regulate transcription. Evidence suggests that RBR proteins are often parts of cullin-containing ubiquitin ligase complexes. The ubiquitin ligase Parkin is an RBR family protein whose mutations are involved in forms of familial Parkinson's disease. Pssm-ID: 460227 Cd Length: 65 Bit Score: 39.07 E-value: 1.73e-03
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| MDN1 | COG5271 | Midasin, AAA ATPase with vWA domain, involved in ribosome maturation [Translation, ribosomal ... |
1403-1947 | 1.77e-03 | |||||||||
Midasin, AAA ATPase with vWA domain, involved in ribosome maturation [Translation, ribosomal structure and biogenesis]; Pssm-ID: 444083 [Multi-domain] Cd Length: 1028 Bit Score: 43.85 E-value: 1.77e-03
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| RING-HC_RNF152 | cd16548 | RING finger, HC subclass, found in RING finger protein 152 (RNF152) and similar proteins; ... |
2460-2510 | 1.83e-03 | |||||||||
RING finger, HC subclass, found in RING finger protein 152 (RNF152) and similar proteins; RNF152 is a lysosome-anchored E3 ubiquitin-protein ligase involved in apoptosis. It is polyubiquitinated through K48 linkage. It negatively regulates the activation of the mTORC1 pathway by targeting RagA GTPase for K63-linked ubiquitination. It interacts with and ubiquitinates RagA in an amino-acid-sensitive manner. The ubiquitination of RagA recruits its inhibitor GATOR1, a GAP complex for Rag GTPases, to the Rag complex, thereby inactivating mTORC1 signaling. RNF152 contains an N-terminal C3HC4-type RING-HC finger and a C-terminal transmembrane domain, both of which are responsible for its E3 ligase activity. Pssm-ID: 438210 [Multi-domain] Cd Length: 46 Bit Score: 38.44 E-value: 1.83e-03
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| Rcat_RBR_RNF19 | cd20355 | Rcat domain found in the RING finger protein 19 (RNF19) subfamily; This subfamily includes ... |
2637-2669 | 2.40e-03 | |||||||||
Rcat domain found in the RING finger protein 19 (RNF19) subfamily; This subfamily includes RING finger protein RNF19A and RNF19B, which are transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligases. RNF19A, also called double ring-finger protein (Dorfin) or p38, localizes to the ubiquitylated inclusions in Parkinson's disease (PD), dementia with Lewy bodies (LBs), multiple system atrophy, and amyotrophic lateral sclerosis (ALS). It interacts with Psmc3, a protein component of the 19S regulatory cap of the 26S proteasome, and further participates in the ubiquitin-proteasome system in acrosome biogenesis, spermatid head shaping, and development of the head-tail coupling apparatus and tail. It modulates the ubiquitination and degradation of calcium-sensing receptor (CaR), which may contribute to a general mechanism for CaR quality control during biosynthesis. Moreover, RNF19A can also ubiquitylate mutant superoxide dismutase 1 (SOD1), the causative gene of familial ALS. It may associate with the endoplasmic reticulum-associated degradation (ERAD) pathway, which is related to the pathogenesis of neurodegenerative disorders, such as PD or Alzheimer's disease. It is also involved in the pathogenic process of PD and LB formation by ubiquitylation of synphilin-1. RNF19B, also called IBR domain-containing protein 3, or natural killer (NK) lytic-associated molecule (NKLAM), plays a role in controlling tumor dissemination and metastasis. It is involved in the cytolytic function of NK cells and cytotoxic T lymphocytes (CTLs). It interacts with ubiquitin conjugates UbcH7 and UbcH8, and ubiquitinates uridine kinase like-1 protein, targeting it for degradation. RNF19B is a novel component of macrophage phagosomes and plays a role in macrophage anti-bacterial activity. It functions as a novel modulator of macrophage inducible nitric oxide synthase (iNOS) expression. Both RNF19A and RNF19B contain an RBR domain followed by three TMs. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the Rcat domain of the RNF19 subfamily that is essential for RBR E3 ligase activity and adopts the same fold as the BRcat domain. Pssm-ID: 439016 Cd Length: 69 Bit Score: 38.62 E-value: 2.40e-03
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| Not5 | COG5665 | CCR4-NOT transcriptional regulation complex, NOT5 subunit [Transcription]; |
1594-1948 | 2.59e-03 | |||||||||
CCR4-NOT transcriptional regulation complex, NOT5 subunit [Transcription]; Pssm-ID: 444384 [Multi-domain] Cd Length: 874 Bit Score: 43.50 E-value: 2.59e-03
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| RING-HC_RBR_RNF19 | cd16629 | RING finger, HC subclass, found in the family of RING finger proteins RNF19A, RNF19B and ... |
2460-2509 | 2.87e-03 | |||||||||
RING finger, HC subclass, found in the family of RING finger proteins RNF19A, RNF19B and similar proteins; The family includes RING finger protein RNF19A and RNF19B, both of which are transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligases. RNF19A, also known as double ring-finger protein (Dorfin) or p38, localizes to the ubiquitylated inclusions in Parkinson's disease (PD), dementia with Lewy bodies, multiple system atrophy, and amyotrophic lateral sclerosis (ALS). It interacts with Psmc3, a protein component of the 19S regulatory cap of the 26S proteasome, and further participates in the ubiquitin-proteasome system in acrosome biogenesis, spermatid head shaping, and development of the head-tail coupling apparatus and tail. It modulates the ubiquitination and degradation of calcium-sensing receptor (CaR), which may contribute to a general mechanism for CaR quality control during biosynthesis. Moreover, RNF19A can also ubiquitylate mutant superoxide dismutase 1 (SOD1), the causative gene of familial ALS. It may associate with endoplasmic reticulum-associated degradation (ERAD) pathway, which is related to the pathogenesis of neurodegenerative disorders, such as PD or Alzheimer's disease. RNF19B, also known as IBR domain-containing protein 3 or natural killer lytic-associated molecule (NKLAM), plays a role in controlling tumor dissemination and metastasis. It is involved in the cytolytic function of natural killer (NK) cells and cytotoxic T lymphocytes (CTLs). It interacts with ubiquitin conjugates UbcH7 and UbcH8, and ubiquitinates uridine kinase like-1 (URKL-1) protein, targeting it for degradation. Moreover, RNF19B is a novel component of macrophage phagosomes and plays a role in macrophage anti-bacterial activity. It functions as a novel modulator of macrophage inducible nitric oxide synthase (iNOS) expression. Both RNF19A and RNF19B contain an RBR domain followed by three TMs. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been corrected as RING-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR (RING1-BRcat-Rcat) domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase function to facilitate the ubiquitination reaction. This model corresponds to the RING domain, a C3HC4-type RING-HC finger required for RBR-mediated ubiquitination. Pssm-ID: 438291 [Multi-domain] Cd Length: 56 Bit Score: 38.20 E-value: 2.87e-03
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| BRcat_RBR_RNF19 | cd20338 | BRcat domain found in the RING finger protein 19 (RNF19) subfamily; This subfamily includes ... |
2551-2609 | 3.15e-03 | |||||||||
BRcat domain found in the RING finger protein 19 (RNF19) subfamily; This subfamily includes RING finger protein RNF19A and RNF19B, both of which are transmembrane (TM) domain-containing RBR-type E3 ubiquitin-protein ligases. RNF19A, also called double ring-finger protein (Dorfin), or p38, localizes to the ubiquitylated inclusions in Parkinson's disease (PD), dementia with Lewy bodies (LBs), multiple system atrophy, and amyotrophic lateral sclerosis (ALS). It interacts with Psmc3, a protein component of the 19S regulatory cap of the 26S proteasome, and further participates in the ubiquitin-proteasome system in acrosome biogenesis, spermatid head shaping, and development of the head-tail coupling apparatus and tail. It modulates the ubiquitination and degradation of Calcium-sensing receptor (CaR), which may contribute to a general mechanism for CaR quality control during biosynthesis. Moreover, RNF19A can also ubiquitylate mutant superoxide dismutase 1 (SOD1), the causative gene of familial ALS. It may associate with the endoplasmic reticulum-associated degradation (ERAD) pathway, which is related to the pathogenesis of neurodegenerative disorders, such as PD or Alzheimer's disease. It is also involved in the pathogenic process of PD and LB formation by ubiquitylation of synphilin-1. RNF19B, also called IBR domain-containing protein 3 or natural killer (NK) lytic-associated molecule (NKLAM), plays a role in controlling tumor dissemination and metastasis. It is involved in the cytolytic function of NK cells and cytotoxic T lymphocytes (CTLs). It interacts with ubiquitin conjugates UbcH7 and UbcH8, and ubiquitinates uridine kinase like-1 (URKL-1) protein, targeting it for degradation. Moreover, RNF19B is a novel component of macrophage phagosomes and plays a role in macrophage anti-bacterial activity. It functions as a novel modulator of macrophage inducible nitric oxide synthase (iNOS) expression. Both RNF19A and RNF19B contain an RBR domain followed by three TMs. The RBR domain was previously known as RING-BetweenRING-RING domain or TRIAD [two RING fingers and a DRIL (double RING finger linked)] domain. Based on current understanding of the structural biology of RBR ligases, the nomenclature of RBR has been changed to RING1-BRcat (benign-catalytic)-Rcat (required-for-catalysis) recently. The RBR domain uses an auto-inhibitory mechanism to modulate ubiquitination activity, as well as a hybrid mechanism that combines aspects from both RING and HECT E3 ligase functions to facilitate the ubiquitination reaction. This model corresponds to the BRcat domain of the RNF19 subfamily that adopts the same fold as the Rcat domain while lacking the catalytic cysteine residue and ubiquitination activity. Pssm-ID: 438999 Cd Length: 75 Bit Score: 38.80 E-value: 3.15e-03
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