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Details on Person UniProt:Q9Y572-1 RIPK3
| Class:Id | ReferenceIsoform:416044 |
|---|---|
| _chainChangeLog | chain:1-518 added on Fri February 6 2015 |
| _displayName | UniProt:Q9Y572-1 RIPK3 |
| _timestamp | 2026-02-20 22:26:16 |
| chain | chain:1-518 |
| checksum | BF755F8A0B1810A1 |
| comment | FUNCTION Serine/threonine-protein kinase that activates necroptosis and apoptosis, two parallel forms of cell death (PubMed:19524512, PubMed:19524513, PubMed:22265413, PubMed:22265414, PubMed:22421439, PubMed:29883609, PubMed:32657447). Necroptosis, a programmed cell death process in response to death-inducing TNF family members, is triggered by RIPK3 following activation by ZBP1 (PubMed:19524512, PubMed:19524513, PubMed:22265413, PubMed:22265414, PubMed:22421439, PubMed:29883609, PubMed:32298652). Activated RIPK3 forms a necrosis-inducing complex and mediates phosphorylation of MLKL, promoting MLKL localization to the plasma membrane and execution of programmed necrosis characterized by calcium influx and plasma membrane damage (PubMed:19524512, PubMed:19524513, PubMed:22265413, PubMed:22265414, PubMed:22421439, PubMed:25316792, PubMed:29883609). In addition to TNF-induced necroptosis, necroptosis can also take place in the nucleus in response to orthomyxoviruses infection: following ZBP1 activation, which senses double-stranded Z-RNA structures, nuclear RIPK3 catalyzes phosphorylation and activation of MLKL, promoting disruption of the nuclear envelope and leakage of cellular DNA into the cytosol (By similarity). Also regulates apoptosis: apoptosis depends on RIPK1, FADD and CASP8, and is independent of MLKL and RIPK3 kinase activity (By similarity). Phosphorylates RIPK1: RIPK1 and RIPK3 undergo reciprocal auto- and trans-phosphorylation (PubMed:19524513). In some cell types, also able to restrict viral replication by promoting cell death-independent responses (By similarity). In response to Zika virus infection in neurons, promotes a cell death-independent pathway that restricts viral replication: together with ZBP1, promotes a death-independent transcriptional program that modifies the cellular metabolism via up-regulation expression of the enzyme ACOD1/IRG1 and production of the metabolite itaconate (By similarity). Itaconate inhibits the activity of succinate dehydrogenase, generating a metabolic state in neurons that suppresses replication of viral genomes (By similarity). RIPK3 binds to and enhances the activity of three metabolic enzymes: GLUL, GLUD1, and PYGL (PubMed:19498109). These metabolic enzymes may eventually stimulate the tricarboxylic acid cycle and oxidative phosphorylation, which could result in enhanced ROS production (PubMed:19498109).FUNCTION (Microbial infection) In case of herpes simplex virus 1/HHV-1 infection, forms heteromeric amyloid structures with HHV-1 protein RIR1/ICP6 which may inhibit RIPK3-mediated necroptosis, thereby preventing host cell death pathway and allowing viral evasion.CATALYTIC ACTIVITY L-seryl-[protein] + ATP = O-phospho-L-seryl-[protein] + ADP + H(+)CATALYTIC ACTIVITY L-threonyl-[protein] + ATP = O-phospho-L-threonyl-[protein] + ADP + H(+)ACTIVITY REGULATION Activity is stimulated by ZBP1, which senses double-stranded Z-RNA structures (By similarity). RIPK3-dependent necroptosis is inhibited by RIPK1: RIPK1 prevents the ZBP1-induced activation of RIPK3 via FADD-mediated recruitment of CASP8, which cleaves RIPK1 and limits TNF-induced necroptosis (By similarity).SUBUNIT Interacts (via RIP homotypic interaction motif) with RIPK1 (via RIP homotypic interaction motif); this interaction induces RIPK1 phosphorylation and formation of a RIPK1-RIPK3 necrosis-inducing complex (PubMed:10339433, PubMed:11734559, PubMed:19524512, PubMed:29681455). Interacts with MLKL; the interaction is direct and triggers necroptosis (PubMed:22265413, PubMed:22421439). Interacts with ZBP1 (via RIP homotypic interaction motif); interaction with ZBP1 activates RIPK3, triggering necroptosis (By similarity). Upon TNF-induced necrosis, the RIPK1-RIPK3 dimer further interacts with PGAM5 and MLKL; the formation of this complex leads to PGAM5 phosphorylation and increase in PGAM5 phosphatase activity (PubMed:22265413, PubMed:22265414, PubMed:22421439). Binds TRAF2 and is recruited to the TNFR-1 signaling complex (PubMed:29883609). Interacts with PYGL, GLUL and GLUD1; these interactions result in activation of these metabolic enzymes (PubMed:19498109). Interacts with BIRC2/c-IAP1, BIRC3/c-IAP2 and XIAP/BIRC4 (PubMed:21931591). Interacts with ARHGEF2 (PubMed:21887730). Interacts with PELI1 (via atypical FHA domain); the phosphorylated form at Thr-182 binds preferentially to PELI1 (PubMed:29883609). Interacts with BUB1B, TRAF2 and STUB1 (PubMed:29883609). Interacts with CASP6 (PubMed:32298652). Component of the AIM2 PANoptosome complex, a multiprotein complex that drives inflammatory cell death (PANoptosis) (By similarity).SUBUNIT (Microbial infection) Interacts (via RIP homotypic interaction motif/RHIM) with herpes simplex virus 1/HHV-1 protein RIR1/ICP6 (via RHIM); this interaction may induce heteromeric amyloid assemblies and prevent necroptosis activation.SUBUNIT (Microbial infection) Interacts (via RIP homotypic interaction motif/RHIM) with herpes simplex virus 2/HHV-2 protein RIR1/ICP10 (via RHIM); this interaction prevents necroptosis activation.SUBCELLULAR LOCATION Mainly cytoplasmic. Present in the nucleus in response to influenza A virus (IAV) infection.ALTERNATIVE PRODUCTS Highly expressed in the pancreas. Detected at lower levels in heart, placenta, lung and kidney.TISSUE SPECIFICITY Expression is significantly increased in colon and lung cancers.DOMAIN The RIP homotypic interaction motif/RHIM mediates interaction with the RHIM motif of RIPK1. Both motifs form a hetero-amyloid serpentine fold, stabilized by hydrophobic packing and featuring an unusual Cys-Ser ladder of alternating Ser (from RIPK1) and Cys (from RIPK3).DOMAIN (Microbial infection) The RIP homotypic interaction motif/RHIM mediates interaction with the RHIM motif of the herpes simplex virus 1/HHV-1 protein RIR1/ICP6 to form heteromeric amyloid structures.PTM (Microbial infection) Proteolytically cleaved by S.flexneri OspD3 within the RIP homotypic interaction motif (RHIM), leading to its degradation and inhibition of necroptosis.PTM RIPK1 and RIPK3 undergo reciprocal auto- and trans-phosphorylation (PubMed:19524513). Autophosphorylated following interaction with ZBP1 (By similarity). Phosphorylation of Ser-199 plays a role in the necroptotic function of RIPK3 (PubMed:11734559, PubMed:19524512). Autophosphorylates at Ser-227 following activation by ZBP1: phosphorylation at these sites is a hallmark of necroptosis and is required for binding MLKL (PubMed:22265413). Phosphorylation at Thr-182 is important for its kinase activity, interaction with PELI1 and PELI1-mediated 'Lys-48'-linked polyubiquitination and for its ability to mediate TNF-induced necroptosis (PubMed:29883609).PTM Polyubiquitinated with 'Lys-48' and 'Lys-63'-linked chains by BIRC2/c-IAP1 and BIRC3/c-IAP2, leading to activation of NF-kappa-B (PubMed:21931591). Polyubiquitinated with 'Lys-48'-linked chains by PELI1 leading to its subsequent proteasome-dependent degradation. Ubiquitinated by STUB1 leading to its subsequent proteasome-dependent degradation (PubMed:29883609). Deubiquitinated by USP22 (PubMed:33369872).SIMILARITY Belongs to the protein kinase superfamily. TKL Ser/Thr protein kinase family. |
| created | [InstanceEdit:400710] Schmidt, EE, 2009-03-25 05:33:35 |
| description | recommendedName: fullName evidence="28"Receptor-interacting serine/threonine-protein kinase 3 ecNumber evidence="11 14"2.7.11.1 alternativeName: fullName evidence="25"RIP-like protein kinase 3 alternativeName: fullName evidence="25"Receptor-interacting protein 3 shortName evidence="25"RIP-3 |
| geneName | RIPK3 RIP3 |
| identifier | Q9Y572 |
| isoformParent | |
| isSequenceChanged | FALSE |
| keyword | 3D-structure Alternative splicing Apoptosis ATP-binding Cytoplasm Host-virus interaction Isopeptide bond Kinase Necrosis Nucleotide-binding Nucleus Phosphoprotein Proteomics identification Reference proteome Serine/threonine-protein kinase Transferase Ubl conjugation |
| modified | [InstanceEdit:423310] Kanapin, AA [InstanceEdit:435478] Kanapin, AA [InstanceEdit:435871] Kanapin, AA [InstanceEdit:447347] Kanapin, AA [InstanceEdit:525883] Kanapin, AA [InstanceEdit:613449] Kanapin, AA [InstanceEdit:797602] Kanapin, AA [InstanceEdit:937368] Yung, CK [InstanceEdit:1042053] Yung, CK [InstanceEdit:1220657] Yung, CK [InstanceEdit:1300696] Yung, CK [InstanceEdit:1301627] Yung, CK [InstanceEdit:1551960] Weiser, JD [InstanceEdit:1995863] Weiser, JD [InstanceEdit:2132304] Weiser, JD [InstanceEdit:2265580] Weiser, JD [InstanceEdit:3132113] Weiser, JD [InstanceEdit:5263031] Weiser, JD [InstanceEdit:5433710] Weiser, JD [InstanceEdit:5618415] Weiser, JD [InstanceEdit:5634237] Weiser, JD [InstanceEdit:5673015] Weiser, JD [InstanceEdit:8987656] Weiser, JD [InstanceEdit:9037114] Weiser, JD [InstanceEdit:9627708] Weiser, JD [InstanceEdit:9637257] Weiser, JD [InstanceEdit:9657908] Weiser, JD [InstanceEdit:9676415] Weiser, JD [InstanceEdit:9698430] Weiser, JD [InstanceEdit:9715482] Weiser, JD [InstanceEdit:9730071] Weiser, JD [InstanceEdit:9750299] Weiser, JD [InstanceEdit:9773244] Weiser, Joel [InstanceEdit:9852000] Weiser, Joel, 2023-11-03 [InstanceEdit:9917590] Weiser, Joel, 2024-08-09 [InstanceEdit:9926675] Weiser, Joel, 2024-11-03 [InstanceEdit:9939033] Weiser, Joel, 2025-02-21 [InstanceEdit:9983091] Weiser, Joel, 2026-02-20 |
| name | RIPK3 |
| referenceDatabase | [ReferenceDatabase:2] UniProt |
| referenceGene | [ReferenceDNASequence:8995087] ENSEMBL:ENSG00000129465 RIPK3 [Homo sapiens] |
| secondaryIdentifier | RIPK3_HUMAN B4DJL9 C4AM87 Q5J795 Q5J796 Q6P5Y1 |
| sequenceLength | 518 |
| species | [Species:48887] Homo sapiens |
| variantIdentifier | Q9Y572-1 |
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No pathways have been reviewed or authored by UniProt:Q9Y572-1 RIPK3 (416044)
