>sp|Q9XI05-2|PSB3A_ARATH Proteasome subunit beta type-3-A OS=Arabidopsis thaliana GN=PBC1 MQIFEYNGSAVVAMVGKNCFAIASDRRLGVQLQTIATDFQRISKIHDRVFIGLSGLATDV QTLYQRLVFRHKLYQLREERDMKPETFASLVSAILYEKRFGPYLCQPVIAGLGDDDKPFI CTMDSIGAKELAKDFVVSGTASESLYGACEAMYKPDMEAEELFETISQALLSSVDRDCLS GWGGHVYIVTPTEIKERILKGRMD