>sp|P42742|PSB1_ARATH Proteasome subunit beta type-1 OS=Arabidopsis thaliana GN=PBF1 MTKQHANWSPYDNNGGTCVAIAGSDYCVIAADTRMSTGYSILSRDYSKIHKLADRAVLSS SGFQADVKALQKVLKSRHLIYQHQHNKQMSCPAMAQLLSNTLYFKRFFPYYAFNVLGGLD EEGKGCVFTYDAVGSYERVGYGAQGSGSTLIMPFLDNQLKSPSPLLLPKQDSNTPLSEAE AVDLVKTVFASATERDIYTGDKLEIMILKADGIKTELMDLRKD