Automated description from the Alliance of Genome Resources (Release 3.1.1)
Exhibits lysine-acetylated histone binding activity and peptidase activator activity. Involved in DNA repair; proteasomal ubiquitin-independent protein catabolic process; and spermatogenesis, exchange of chromosomal proteins. Localizes to cytosol; nucleus; and spermatoproteasome complex. Is expressed in craniocervical region bone; ganglia; sensory organ; and submandibular gland primordium. Orthologous to human PSME4 (proteasome activator subunit 4).