- Proteasome Subunit Alpha Type 4 (PSMa4)
 - Proteasome Subunit Alpha Type 5 (PSMa5)
 - Proteasome Subunit Alpha Type 6 (PSMa6)
 - Proteasome Subunit Alpha Type 7 (PSMa7)
 - Proteasome Subunit Beta Type 3 (PSMb3)
 - Proteasome Subunit Beta Type 4 (PSMb4)
 - Proteasome Subunit Beta Type 5 (PSMb5)
 - Proteasome Subunit Beta Type 7 (PSMb7)
 - Proteasome Subunit Beta Type 2 (PSMb2)
 - Proteasome Subunit Beta Type 6 (PSMb6)
 - Proteasome 26S Subunit, ATPase 4 (PSMC4)
 - Proteasome 26S Subunit, ATPase 5 (PSMC5)
 - Proteasome 26S Subunit, ATPase 6 (PSMC6)
 - Proteasome 26S Subunit, ATPase 2 (PSMC2)
 - Proteasome 26S Subunit, ATPase 3 (PSMC3)