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CATH Classification

Domain Context

CATH Clusters

Superfamily Ubiquitin Conjugating Enzyme
Functional Family Ubiquitin-conjugating enzyme E2 L3

Enzyme Information

2.3.2.23
E2 ubiquitin-conjugating enzyme.
based on mapping to UniProt P68036
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [E2 ubiquitin-conjugating enzyme]-L-cysteine = [E1 ubiquitin-activating enzyme]-L-cysteine + S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L- cysteine.
-!- The E2 ubiquitin-conjugating enzyme acquires the activated ubquitin from the E1 ubiquitin-activating enzyme (EC 6.2.1.45) and binds it via a transthioesterification reaction to itself. -!- In the human enzyme the catalytic center is located at Cys-87 where ubiquitin is bound via its C-terminal glycine in a thioester linkage. -!- Formerly EC 6.3.2.19.

UniProtKB Entries (1)

P0CG48
UBC_HUMAN
Homo sapiens
Polyubiquitin-C

PDB Structure

PDB 6N13
External Links
Method SOLUTION NMR
Organism
Primary Citation
Synergistic recruitment of UbcH7~Ub and phosphorylated Ubl domain triggers parkin activation.
Condos, T.E., Dunkerley, K.M., Freeman, E.A., Barber, K.R., Aguirre, J.D., Chaugule, V.K., Xiao, Y., Konermann, L., Walden, H., Shaw, G.S.
EMBO J.
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