AOS1 [YPR180W]
DNA damage tolerance protein RHC31; Subunit of heterodimeric nuclear SUMO activating enzyme E1 with Uba2p; activates Smt3p (SUMO) before its conjugation to proteins (sumoylation), which may play a role in protein targeting; essential for viability; relocalizes to the cytosol in response to hypoxia
Synonyms: AOS1, AOS1p, Q06624, P9705.5, Q06624p ...