Is an ortholog of human PSMD7 (proteasome 26S subunit, non-ATPase 7). Human PSMD7 exhibits protein homodimerization activity. Is predicted to encode a protein with the following domains: JAB1\/MPN\/MOV34 metalloenzyme domain\; Rpn11\/EIF3F, C-terminal\; and 26S Proteasome non-ATPase regulatory subunit 7\/8.