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 (3)

P62992
RS27A_BOVIN
Bos taurus
Ubiquitin-40S ribosomal protein S27a
P68036
UB2L3_HUMAN
Homo sapiens
Ubiquitin-conjugating enzyme E2 L3
A0A034W4L8
A0A034W4L8_BACDO
Bactrocera dorsalis
RBR-type E3 ubiquitin transferase

PDB Structure

PDB 6DJW
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Mechanism of parkin activation by phosphorylation.
Sauve, V., Sung, G., Soya, N., Kozlov, G., Blaimschein, N., Miotto, L.S., Trempe, J.F., Lukacs, G.L., Gehring, K.
Nat. Struct. Mol. Biol.