Proteasomal ATPase associated factor 1 XWSAEDASCV VTFKGHKGGI LDTAIVDRGR NVVSASRDGT ARLWDCGRSA CLGVLADCGS SINGVAVGAA DNSINLGSPE QMPSVPLYWL RRFQLLYFSL WLLAIGWDSR WKHLSAG