bplR Carbapenem-hydrolyzing beta-lactamase transcriptional activator This protein is a positive regulator of gene expression of carbapenem-hydrolyzing beta-lactamase (smeA). Seems to also be a repressor of its own transcription. smeR SMER_SERMA MKNRIPLNALRAFEASARYLNFTKAGLELHVSQAAVSQHVRTLEAILGVNLFKRLPRGLQLTEEGLHLLPMINEAFSIMGSALERFHEGKIREVITVAVVGTFAVGWLLPRLSGFTKSYPWIDIRVITHNNVINLAAEGIDAAIRFGHGFWQSTENYKLFSAPHTVLCPPNVAKKLTTPEDMKDYRLLRTYRKEEWSSWFKAANLKPWPVTGPIFDSSRHMDDAAKICGDIALAPYKMFIHEIENGSLVKPFDIEVHLGGYWLTILKSRSNIELNNALNIFKTWLLNASHSI 292