PSMB3 GI:22538465 proteasome beta 3 subunit 1 msimsyngga vmamkgkncv aiaadrrfgi qaqmvttdfq kifpmgdrly 50 51 iglaglatdv qtvaqrlkfr lnlyelkegr qikpytlmsm vanllyekrf 100 101 gpyytepvia gldpktfkpf icsldligcp mvtddfvvsg tcaeqmygmc 150 151 eslwepnmdp dhlfetisqa mlnavdrdav sgmgvivhii ekdkittrtl 200 201 karmd