>sp|C7LYP7|PSB_ACIFD Proteasome subunit beta OS=Acidimicrobium ferrooxidans GN=prcB MRKDGARLALPLFDPRHDPGPDFAALVSRDAARTVPTSGDGSLGAQVPHGTTIAALRFAG GVVIAGDRRATEGNFIANRTIEKVFPADRFSGVGIAGAAGPAVEMVRIFQVQLEHYEKVE GKALSLEGKANQLAQMIRQNLPLAMQGLVVMPLFAGWDAERSEGRIFTFDVAGGRYEEVA YYAIGSGGRDARATLKLGWRPGLDEAGAVHLAVQALYEAAQEDAATGGPDALRGIFPVVA VIDREGYRRIDDARLEEIAVELDQAVRERGARR