. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "psmd1_human"^^ . "PSMD1"^^ . "26S proteasome regulatory subunit S1"^^ . "26S proteasome subunit p112"^^ . "26S proteasome regulatory subunit RPN2"^^ . . "26S proteasome non-ATPase regulatory subunit 1"^^ .