RING finger protein 227 [Homo sapiens]
Protein Classification
RING_Ubox and DUF4632 domain-containing protein( domain architecture ID 11691145)
RING_Ubox and DUF4632 domain-containing protein
List of domain hits
| Name | Accession | Description | Interval | E-value | ||
| DUF4632 | pfam15451 | Domain of unknown function (DUF4632); This family of proteins is found in eukaryotes. Proteins ... |
117-187 | 1.88e-30 | ||
Domain of unknown function (DUF4632); This family of proteins is found in eukaryotes. Proteins in this family are typically between 59 and 190 amino acids in length. : Pssm-ID: 373857 Cd Length: 71 Bit Score: 106.15 E-value: 1.88e-30
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| RING_Ubox super family | cl17238 | RING finger (Really Interesting New Gene) domain and U-box domain superfamily; The RING finger ... |
16-90 | 3.35e-06 | ||
RING finger (Really Interesting New Gene) domain and U-box domain superfamily; 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 different Cys/His patterns while some lack a single Cys or His residue at typical Zn ligand positions (the fourth or eighth zinc ligand is prevalently exchanged for an Asp, which can indeed chelate Zn in a RING finger as well). C4C4-, C3HC3D-, C2H2C4-, and C3HC5-type RING fingers are closely related to RING-HC fingers. In contrast, C4HC3- (RING-CH alias RINGv), C3H3C2-, C3H2C2D-, C3DHC3-, and C4HC2H-type RING fingers are more closely related to RING-H2 fingers. However, not all RING finger-containing proteins display regular RING finger features, and the RING finger family has turned out to be multifarious. The degenerate RING fingers of the Siz/PIAS RING (SP-RING) family proteins and sporulation protein RMD5, are characterized by lacking the second, fifth, and sixth Zn2+ ion-coordinating residues. They bind only one Zn2+ ion. On the other hand, the RING fingers of the human APC11 and RBX1 proteins can bind a third Zn atom since they harbor four additional Zn ligands. U-box is a modified form of the RING finger domain that lacks metal chelating Cys and His residues. It resembles the cross-brace RING structure consisting of three beta-sheets and a single alpha-helix, which would be stabilized by salt bridges instead of chelated metal ions. U-box proteins are widely distributed among eukaryotic organisms and show a higher prevalence in plants than in other organisms. RING finger/U-box-containing proteins are 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 enable efficient transfer of ubiquitin from E2 to the substrates. The actual alignment was detected with superfamily member cd16565: Pssm-ID: 473075 [Multi-domain] Cd Length: 59 Bit Score: 42.89 E-value: 3.35e-06
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| Name | Accession | Description | Interval | E-value | ||
| DUF4632 | pfam15451 | Domain of unknown function (DUF4632); This family of proteins is found in eukaryotes. Proteins ... |
117-187 | 1.88e-30 | ||
Domain of unknown function (DUF4632); This family of proteins is found in eukaryotes. Proteins in this family are typically between 59 and 190 amino acids in length. Pssm-ID: 373857 Cd Length: 71 Bit Score: 106.15 E-value: 1.88e-30
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| RING-HC_RNF224 | cd16565 | RING finger, HC subclass, found in RING finger protein RNF224 and similar proteins; RNF224 is ... |
16-90 | 3.35e-06 | ||
RING finger, HC subclass, found in RING finger protein RNF224 and similar proteins; RNF224 is uncharacterized C3HC4-type RING-HC finger-containing proteins. It may function as an E3 ubiquitin-protein ligase. Pssm-ID: 438227 [Multi-domain] Cd Length: 59 Bit Score: 42.89 E-value: 3.35e-06
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| Name | Accession | Description | Interval | E-value | ||
| DUF4632 | pfam15451 | Domain of unknown function (DUF4632); This family of proteins is found in eukaryotes. Proteins ... |
117-187 | 1.88e-30 | ||
Domain of unknown function (DUF4632); This family of proteins is found in eukaryotes. Proteins in this family are typically between 59 and 190 amino acids in length. Pssm-ID: 373857 Cd Length: 71 Bit Score: 106.15 E-value: 1.88e-30
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| RING-HC_RNF224 | cd16565 | RING finger, HC subclass, found in RING finger protein RNF224 and similar proteins; RNF224 is ... |
16-90 | 3.35e-06 | ||
RING finger, HC subclass, found in RING finger protein RNF224 and similar proteins; RNF224 is uncharacterized C3HC4-type RING-HC finger-containing proteins. It may function as an E3 ubiquitin-protein ligase. Pssm-ID: 438227 [Multi-domain] Cd Length: 59 Bit Score: 42.89 E-value: 3.35e-06
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| RING-HC_TRIM32_C-VII | cd16587 | RING finger, HC subclass, found in tripartite motif-containing protein 32 (TRIM32) and similar ... |
16-82 | 1.13e-05 | ||
RING finger, HC subclass, found in tripartite motif-containing protein 32 (TRIM32) and similar proteins; TRIM32, also known as 72 kDa Tat-interacting protein, zinc finger protein HT2A, or BBS11, is an E3 ubiquitin-protein ligase that promotes degradation of several targets, including actin, PIASgamma, Abl interactor 2, dysbindin, X-linked inhibitor of apoptosis (XIAP), p73 transcription factor, thin filaments and Z-bands during fasting. It plays important roles in neuronal differentiation of neural progenitor cells, as well as in controlling cell fate in skeletal muscle progenitor cells. It reduces PI3K-Akt-FoxO signaling in muscle atrophy by promoting plakoglobin-PI3K dissociation. It also functions as a pluripotency-reprogramming roadblock that facilitates cellular transition towards differentiation by modulating the levels of Oct4 and cMyc. Moreover, TRIM32 is an intrinsic influenza A virus (IAV) restriction factor which senses and targets the polymerase basic protein 1 (PB1) for ubiquitination and protein degradation. It also plays a significant role in mediating the biological activity of the HIV-1 Tat protein in vivo, binds specifically to the activation domain of HIV-1 Tat, and can also interact with the HIV-2 and EIAV Tat proteins in vivo. Furthermore, TRIM32 regulates myoblast proliferation by controlling turnover of NDRG2 (N-myc downstream-regulated gene). It negatively regulates tumor suppressor p53 to promote tumorigenesis. It also facilitates degradation of MYCN on spindle poles and induces asymmetric cell division in human neuroblastoma cells. In addition, TRIM32 plays important roles in regulation of hyperactivities and positively regulates the development of anxiety and depression disorders induced by chronic stress. It also plays a role in regeneration by affecting satellite cell cycle progression via modulation of the SUMO ligase PIASy (PIAS4). Defects in TRIM32 leads to limb-girdle muscular dystrophy type 2H (LGMD2H), sarcotubular myopathies (STM) and Bardet-Biedl syndrome. TRIM32 belongs to the C-VII subclass of the TRIM (tripartite motif)-NHL family that is defined by their N-terminal RBCC (RING, Bbox, and coiled coil) domains, including three consecutive zinc-binding domains, a C3HC4-type RING-HC finger, Bbox1 and Bbox2, and a coiled coil domain, as well as a NHL (named after proteins NCL-1, HT2A and Lin-41 that contain repeats folded into a six-bladed beta propeller) repeat domain positioned C-terminal to the RBCC domain. The NHL domain mediates the interaction with Argonaute proteins and consequently allows TRIM32 to modulate the activity of certain miRNAs. Pssm-ID: 438249 [Multi-domain] Cd Length: 51 Bit Score: 41.23 E-value: 1.13e-05
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| RING-HC_RNF183-like | cd16556 | RING finger, HC subclass, found in RING finger protein RNF183, RNF223, RNF225 and similar ... |
16-87 | 3.27e-05 | ||
RING finger, HC subclass, found in RING finger protein RNF183, RNF223, RNF225 and similar proteins; RNF183 is an E3 ubiquitin-protein ligase that is upregulated during intestinal inflammation and is negatively regulated by miR-7. It promotes intestinal inflammation by increasing the ubiquitination and degradation of inhibitor of kappa B, thereby resulting in secondary activation of the Nuclear factor-kappaB (NF-kB) pathway. The interaction between RNF183-mediated ubiquitination and miRNA may be an important novel epigenetic mechanism in the pathogenesis of inflammatory bowel disease (IBD). The biological function of RNF223 and RNF225 remains unclear. Members of this family contain an N-terminal C3HC4-type RING-HC finger. Pssm-ID: 438218 [Multi-domain] Cd Length: 57 Bit Score: 40.04 E-value: 3.27e-05
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| mRING-HC-C3HC3D_arc-1-like | cd23124 | Modified RING finger, HC subclass (C3HC3D-type), found in Caenorhabditis elegans putative ... |
15-55 | 3.05e-03 | ||
Modified RING finger, HC subclass (C3HC3D-type), found in Caenorhabditis elegans putative GTP-binding protein trim-23 homolog (arc-1) and similar proteins; arc-1, also called RING-type E3 ubiquitin transferase arc-1, is an E3 ubiquitin-protein ligase that mediates E2-dependent protein ubiquitination. arc-1 contains a modified C3HC3D-type RING-HC finger. Pssm-ID: 438486 [Multi-domain] Cd Length: 55 Bit Score: 34.78 E-value: 3.05e-03
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