CATH Classification
Domain Context
CATH Clusters
| Superfamily | Apoptosis, Tumor Necrosis Factor Receptor Associated Protein 2; Chain A |
| Functional Family | TNF receptor-associated factor 6 |
Enzyme Information
| 2.3.2.27 |
RING-type E3 ubiquitin transferase.
based on mapping to UniProt Q13114
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N(6)- ubiquitinyl-[acceptor protein]-L-lysine.
-!- The RING domain of E3 ubiquitin transferase serves as a mediator bringing the ubiquitin-charged E2 ubiquitin-conjugating enzyme and the acceptor protein together to enable the direct transfer of ubiquitin through the formation of an isopeptide bond between the C-terminal glycine residue of ubiquitin an the epsilon-amino group of an L-lysine residue of the acceptor protein. -!- The RING-E3 domain does not form a catalytic thioester intermediate with ubiquitin (unlike the HECT domain, EC 2.3.2.26). -!- RING-type ubiquitin transferases may occur as single-chain enzymes but also in dimeric forms or in multi-subunit assemblies. -!- Formerly EC 6.3.2.19 and EC 6.3.2.21.
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UniProtKB Entries (1)
| P25942 |
TNR5_HUMAN
Homo sapiens
Tumor necrosis factor receptor superfamily member 5
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PDB Structure
| PDB | 1FLL |
| External Links | |
| Method | X-RAY DIFFRACTION |
| Organism | Escherichia |
| Primary Citation |
Molecular basis for CD40 signaling mediated by TRAF3.
Proc.Natl.Acad.Sci.USA
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