E2 ubiquitin-conjugating enzyme EC#: 2.3.2.23; ChemWhat Code: 1377180
| Product Name | E2 ubiquitin-conjugating enzyme |
| Example Structure |  |
| Synonyms | alpha spectrin, ARIH1, At1g78870, At2g02760, Ci0100152677, E2 enzyme, E2 ubiquitin conjugating enzyme, E2 ubiquitin-conjugating enzyme, E2-ubiquitin conjugating enzyme, NCUBE1, NEDD8-activating enzyme E1 catalytic subunit, Pex4, Rad6p, SCEI, SUMO E2 conjugating enzyme, SUMO-1-conjugating enzyme Ubc9, SUMO-conjugating enzyme UBC9, UBA2, Uba3, UBA6-specific E2 enzyme 1, Ubc-18, Ubc1, Ubc11, Ubc13, Ubc2, Ubc35, Ubc4, Ubc5a, UBC7, Ubc9, UbcA1, UbcH5A, UbcH5B, UbcH7, UbcM2, Ube2, UBE2D, ube2d1b, Ube2I, Ube2J1, UBE2L3, UBE2N, Ube2r, UBE2R1, UBE2T, UBE2W, ubiquitin-conjugating enzyme (E2), ubiquitin-conjugating enzyme E2, ubiquitin-conjugating enzyme E2 G1, ubiquitin-conjugating enzyme E2 Z, ubiquitin-conjugating enzyme E2-20 kDa, USE1 |
| EC Number | 2.3.2.23 |
| CAS Registry Number | |
| Comments | 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. |
| Cofactor | |
| History | |
| Reactions | 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. |
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