Gamma-polyglutamic acid synthase Catalyzes the biosynthesis of PGA (gamma-polyglutamic acid) from L-glutamate. Both the 44-kDa and the 33-kDa forms are required for PGA synthesis. pgsB CAPB_BACSU BSU35900 capB 393 MWLLIIACAVILVIGILEKRRHQKNIDALPVRVNINGIRGKSTVTRLTTGILIEAGYKTVGKTTGTDARMIYWDTPEEKPIKRKPQGPNIGEQKEVMRETVERGANAIVSECMAVNPDYQIIFQEELLQANIGVIVNVLEDHMDVMGPTLDEIAEAFTATIPYNGHLVITDSEYTEFFKQKAKERNTKVIIADNSKITDEYLRKFEYMVFPDNASLALGVAQALGIDEETAFKGMLNAPPDPGAMRILPLISPSEPGHFVNGFAANDASSTLNIWKRVKEIGYPTDDPIIIMNCRADRVDRTQQFANDVLPYIEASELILIGETTEPIVKAYEEGKIPADKLHDLEYKSTDEIMELLKKRMHNRVIYGVGNIHGAAEPLIEKIHEYKVKQLVS ywsC PGA synthase CapB