ULA1 [YPL003W]
NEDD8-activating enzyme E1 regulatory subunit; Protein that activates Rub1p (NEDD8) before neddylation; acts together with Uba3p; may play a role in protein degradation; Belongs to the ubiquitin-activating E1 family. ULA1 subfamily.
Synonyms: ULA1, ULA1p, Q12059, ENR2, LPA14W ...