5l6j

Structural highlights

Function

UBA1_YEAST Activates ubiquitin by first adenylating its C-terminal glycine residue with ATP, and thereafter linking this residue to the side chain of a cysteine residue in E1, yielding an ubiquitin-E1 thioester and free AMP.

See Also

• 3D structures of Ubiquitin activating enzyme