PSMB5 GI:222144262 proteasome beta 5 subunit isoform 3 1 malasvlerp lpvnqrgffg lggradlldl gpgslsdgls laapgwgvpe 50 51 epgiemlhgt ttlafkfrhg vivaadsrat agayiasqtv kkvieinpyl 100 101 lgtmaggaad csfwerllar qcriyelrnk erisvaaask llanmvyqyk 150 151 gmglsmgtmi cgwdkrgpvs evlclkpksf gmylfcgcae rignmarpll 200 201 rgq