TNF receptor-associated factor 2 |
PDB rendering based on 1ca4. |
Available structures |
PDB |
Ortholog search: PDBe, RCSB |
List of PDB id codes |
1CA4, 1CA9, 1CZY, 1CZZ, 1D00, 1D01, 1D0A, 1D0J, 1F3V, 1QSC, 3KNV, 3M06, 3M0A, 3M0D
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Identifiers |
Symbols |
TRAF2 ; MGC:45012; TRAP; TRAP3 |
External IDs |
OMIM: 601895 MGI: 101835 HomoloGene: 22520 GeneCards: TRAF2 Gene |
Gene ontology |
Molecular function |
• ubiquitin-protein transferase activity
• signal transducer activity
• tumor necrosis factor receptor binding
• CD40 receptor binding
• protein binding
• zinc ion binding
• ligase activity
• enzyme binding
• protein phosphatase binding
• mitogen-activated protein kinase kinase kinase binding
• ubiquitin protein ligase binding
• thioesterase binding
• protein complex binding
• identical protein binding
• sphingolipid binding
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Cellular component |
• cytoplasm
• cytosol
• cell cortex
• cytoplasmic side of plasma membrane
• CD40 receptor complex
• membrane raft
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Biological process |
• positive regulation of T cell cytokine production
• protein complex assembly
• apoptotic process
• activation of cysteine-type endopeptidase activity involved in apoptotic process
• signal transduction
• activation of NF-kappaB-inducing kinase activity
• protein catabolic process
• positive regulation of interleukin-2 production
• tumor necrosis factor-mediated signaling pathway
• negative regulation of glial cell apoptotic process
• regulation of apoptotic process
• positive regulation of JUN kinase activity
• cellular protein complex assembly
• innate immune response
• positive regulation of T cell activation
• regulation of immunoglobulin secretion
• positive regulation of sequence-specific DNA binding transcription factor activity
• positive regulation of NF-kappaB transcription factor activity
• protein heterooligomerization
• protein autoubiquitination
• protein homotrimerization
• protein K63-linked ubiquitination
• positive regulation of protein homodimerization activity
• apoptotic signaling pathway
• positive regulation of extrinsic apoptotic signaling pathway
• regulation of extrinsic apoptotic signaling pathway in absence of ligand
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Sources: Amigo / QuickGO |
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RNA expression pattern |
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More reference expression data |
Orthologs |
Species |
Human |
Mouse |
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Entrez |
7186 |
22030 |
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Ensembl |
ENSG00000127191 |
ENSMUSG00000026942 |
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UniProt |
Q12933 |
P39429 |
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RefSeq (mRNA) |
NM_021138 |
NM_001290413 |
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RefSeq (protein) |
NP_066961 |
NP_001277342 |
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Location (UCSC) |
Chr 9:
139.78 – 139.82 Mb |
Chr 2:
25.52 – 25.55 Mb |
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PubMed search |
[1] |
[2] |
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TNF receptor-associated factor 2 is a protein that in humans is encoded by the TRAF2 gene.[1]
The protein encoded by this gene is a member of the TNF receptor associated factor (TRAF) protein family. TRAF proteins associate with, and mediate the signal transduction from members of the TNF receptor superfamily. This protein directly interacts with TNF receptors, and forms complexes with other TRAF proteins. TRAF2 is required for TNF-alpha-mediated activation of MAPK8/JNK and NF-κB. The protein complex formed by TRAF2 and TRAF1 interacts with the IAP family members cIAP1 and cIAP2, and functions as a mediator of the anti-apoptotic signals from TNF receptors. The interaction of this protein with TRADD, a TNF receptor associated apoptotic signal transducer, ensures the recruitment of IAPs for the direct inhibition of caspase activation. cIAP1 can ubiquitinate and induce the degradation of this protein, and thus potentiate TNF-induced apoptosis. Multiple alternatively spliced transcript variants have been found for this gene, but the biological validity of only one transcript has been determined.[2]
Signaling pathway of TNF-R1. Dashed grey lines represent multiple steps
Interactions
TRAF2 has been shown to interact with BCL10,[3] CD30,[4][5] CFLAR,[6][7] IKK2,[8][9] MAP3K7IP2,[9][10] CD137,[11][12] Caveolin 1,[13][14] CD27,[15][16] TNFRSF13B,[17] TANK-binding kinase 1,[18][19] TRAF1,[18][20] CD40,[21][22][23] UBE2N,[24] MAP3K14,[23][25] MAP4K2,[26] CASP8AP2,[27] HIVEP3,[28] TNFAIP3,[29] TNFRSF1B,[1][18][20][30][31][32][33] TNFRSF1A,[34][35][36] SPHK1,[37] Low affinity nerve growth factor receptor,[38] TNFRSF14,[32][39] CHUK,[8][9][40] CD134,[12] EDARADD,[41] RIPK1,[20][23][34][42] RANK,[43][44][45][46] TNFSF14,[47] TANK,[18][31][48][49] Baculoviral IAP repeat-containing protein 3,[3][50][51][52] BIRC2,[3][36][50][51][52][53] MAP4K5,[54] ASK1,[55][56][57] TRADD,[18][20][23][35][42][58][59] MAP3K1[60] and TRAF interacting protein.[61]
References
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{{Retracted}}
with {{Retracted|intentional=yes}}
.)
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- ^ Nishitoh, H; Saitoh M; Mochida Y; Takeda K; Nakano H; Rothe M; Miyazono K; Ichijo H (September 1998). "ASK1 is essential for JNK/SAPK activation by TRAF2". Mol. Cell (UNITED STATES) 2 (3): 389–95. doi:10.1016/S1097-2765(00)80283-X. ISSN 1097-2765. PMID 9774977.
- ^ Hoeflich, K P; Yeh W C; Yao Z; Mak T W; Woodgett J R (October 1999). "Mediation of TNF receptor-associated factor effector functions by apoptosis signal-regulating kinase-1 (ASK1)". Oncogene (ENGLAND) 18 (42): 5814–20. doi:10.1038/sj.onc.1202975. ISSN 0950-9232. PMID 10523862.
- ^ Gan, Boyi; Peng Xu; Nagy Tamas; Alcaraz Ana; Gu Hua; Guan Jun-Lin (October 2006). "Role of FIP200 in cardiac and liver development and its regulation of TNFα and TSC–mTOR signaling pathways". J. Cell Biol. (United States) 175 (1): 121–33. doi:10.1083/jcb.200604129. ISSN 0021-9525. PMC 2064504. PMID 17015619.
- ^ Park, Y C; Ye H; Hsia C; Segal D; Rich R L; Liou H C; Myszka D G; Wu H (June 2000). "A novel mechanism of TRAF signaling revealed by structural and functional analyses of the TRADD-TRAF2 interaction". Cell (UNITED STATES) 101 (7): 777–87. doi:10.1016/S0092-8674(00)80889-2. ISSN 0092-8674. PMID 10892748.
- ^ Tsao, D H; McDonagh T; Telliez J B; Hsu S; Malakian K; Xu G Y; Lin L L (June 2000). "Solution structure of N-TRADD and characterization of the interaction of N-TRADD and C-TRAF2, a key step in the TNFR1 signaling pathway". Mol. Cell (UNITED STATES) 5 (6): 1051–7. doi:10.1016/S1097-2765(00)80270-1. ISSN 1097-2765. PMID 10911999.
- ^ Baud, V; Liu Z G; Bennett B; Suzuki N; Xia Y; Karin M (May 1999). "Signaling by proinflammatory cytokines: oligomerization of TRAF2 and TRAF6 is sufficient for JNK and IKK activation and target gene induction via an amino-terminal effector domain". Genes Dev. (UNITED STATES) 13 (10): 1297–308. doi:10.1101/gad.13.10.1297. ISSN 0890-9369. PMC 316725. PMID 10346818.
- ^ Lee, S Y; Lee S Y; Choi Y (April 1997). "TRAF-interacting Protein (TRIP): A Novel Component of the Tumor Necrosis Factor Receptor (TNFR)- and CD30-TRAF Signaling Complexes That Inhibits TRAF2-mediated NF-κB Activation". J. Exp. Med. (UNITED STATES) 185 (7): 1275–85. doi:10.1084/jem.185.7.1275. ISSN 0022-1007. PMC 2196258. PMID 9104814.
Further reading
- Wajant H, Henkler F, Scheurich P (2001). "The TNF-receptor-associated factor family: scaffold molecules for cytokine receptors, kinases and their regulators". Cell. Signal. 13 (6): 389–400. doi:10.1016/S0898-6568(01)00160-7. PMID 11384837.
- Bradley JR, Pober JS (2001). "Tumor necrosis factor receptor-associated factors (TRAFs)". Oncogene 20 (44): 6482–91. doi:10.1038/sj.onc.1204788. PMID 11607847.
PDB gallery
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1ca4: STRUCTURE OF TNF RECEPTOR ASSOCIATED FACTOR 2 (TRAF2)
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1ca9: STRUCTURE OF TNF RECEPTOR ASSOCIATED FACTOR 2 IN COMPLEX WITH A PEPTIDE FROM TNF-R2
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1czy: CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN THE TRAF DOMAIN OF HUMAN TRAF2 AND AN LMP1 BINDING PEPTIDE
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1czz: STRUCTURE OF TNF RECEPTOR ASSOCIATED FACTOR 2 IN COMPLEX WITH A 17-RESIDUE CD40 PEPTIDE
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1d00: STRUCTURE OF TNF RECEPTOR ASSOCIATED FACTOR 2 IN COMPLEX WITH A 5-RESIDUE CD40 PEPTIDE
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1d01: STRUCTURE OF TNF RECEPTOR ASSOCIATED FACTOR 2 IN COMPLEX WITH A HUMAN CD30 PEPTIDE
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1d0a: STRUCTURE OF TNF RECEPTOR ASSOCIATED FACTOR 2 (TRAF2) IN COMPLEX WITH A HUMAN OX40 PEPTIDE
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1d0j: STRUCTURE OF TNF RECEPTOR ASSOCIATED FACTOR 2 IN COMPLEX WITH A M4-1BB PEPTIDE
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1f3v: CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN THE N-TERMINAL DOMAIN OF TRADD AND THE TRAF DOMAIN OF TRAF2
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1qsc: CRYSTAL STRUCTURE OF THE TRAF DOMAIN OF TRAF2 IN A COMPLEX WITH A PEPTIDE FROM THE CD40 RECEPTOR
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Cell signaling: carrier proteins: signal transducing adaptor proteins
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JAK-STAT |
- see JAK-STAT signaling pathway
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Growth factor receptor-bound protein |
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Other |
- 14-3-3
- Caveolin
- Cortactin
- Death-inducing signaling complex
- Paxillin
- MYD88
- SMAD
- TRAF
- TRAF1
- TRAF2
- TRAF3
- TRAF4
- TRAF5
- TRAF6)
- BIN1
- SH3BP2
- LDB3
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B trdu: iter (nrpl/grfl/cytl/horl), csrc (lgic, enzr, gprc, igsr, intg, nrpr/grfr/cytr), itra (adap, gbpr, mapk), calc, lipd; path (hedp, wntp, tgfp+mapp, notp, jakp, fsap, hipp, tlrp)
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Apoptosis signaling pathway
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Fas path |
Ligand
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Receptor
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Intracellular
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- Death-inducing signaling complex
- Cytochrome c
- Caspase 9
- Caspase 3
- Pro-apoptotic:
- BAX
- BAK1/Bcl-2 homologous antagonist killer
- Bcl-2-associated death promoter
- Anti-apoptotic:
- Bcl-2
- Bcl-xL
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TNF path |
Ligand
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Receptor
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- Tumor necrosis factor receptor
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Intracellular
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- FADD
- Caspase 8
- Caspase 3
- BID
- TRAF2
- ASK-1
- MEKK1
- IKK
- IκBα
- MKK7
- JNK
- NF-κB
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Other |
Intracellular
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- IAPs
- XIAP
- NAIP
- Survivin
- c-IAP-1
- c-IAP-2
- Apoptosis-inducing factor
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B trdu: iter (nrpl/grfl/cytl/horl), csrc (lgic, enzr, gprc, igsr, intg, nrpr/grfr/cytr), itra (adap, gbpr, mapk), calc, lipd; path (hedp, wntp, tgfp+mapp, notp, jakp, fsap, hipp, tlrp)
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