>tr|A9NRN1|A9NRN1_PICSI Proteasome subunit beta OS=Picea sitchensis MSIFEYNGSALVAMVGKNCFAIASDRRLGVQLQTIATDFQRIFKIHDKLYVGLSGLATDV QTLYQRFAFRHKLYQLREERNMRPETFASLVSALLYEKRFGPYFCQPVIAGLGEDDKPFI CTMDSIGAKELAKDFVVAGTAAESLYGACESMYKPDMEPEELFETISQALLSSIDRDCLS GWGGHVYVVSPNQVIERTLKGRMD