>sp|O81153|PSB3B_ARATH Proteasome subunit beta type-3-B OS=Arabidopsis thaliana GN=PBC2 MSIFEYNGSAVVAMVGKNCFAIASDRRLGVQLQTIATDFQRISKIHDHLFIGLSGLATDV QTLYQRLVFRHKLYQLREERDMKPETFASLVSAILYEKRFGPFLCQPVIAGLGDDNKPFI CTMDSIGAKELAKDFVVSGTASESLYGACEAMFKPDMEAEELFETISQALLSSVDRDCLS GWGGHVYVVTPKEVKERILKGRMD