>tr|A0A8T2C268|A0A8T2C268_9BRAS Proteasome subunit beta OS=Arabidopsis thaliana x Arabidopsis arenosa GN=ISN45_Aa01g014130, MSIFEYNGSAVVAMVGKNCFAIASDRRLGVQLQTIATDFQRISKIHDRVFIGLSGLATDV QTLYQRLVFRHKLYQLREERDMKPETFASLVSAILYEKRFGPYLCQPVIAGLGDDDKPFI CTMDSIGAKELAKDFVVSGTASESLYGACEAMYKPDMEAEELFETISQALLSSVDRDCLS GWGGHVYIVTPTEIKERILKGRMD