RPN13 [YLR421C]
Subunit of the 19S regulatory particle of the 26S proteasome lid; acts as a ubiquitin receptor for the proteasome; null mutants accumulate ubiquitinated Gcn4p and display decreased 26S proteasome stability; protein abundance increases in response to DNA replication stress; Belongs to the RPN13 family.
Synonyms: RPN13, RPN13p, O13563, DAQ1, O13563p ...