>3mlq_A mol:protein length:188 DNA-directed RNA polymerase subunit beta MPLTEIQVESYKKALQADVPPEKRENVGIQAAFKETFPIEEGDKGKGGLVLDFLEYRIG DPPFSQDECREKDLTYQAPLYARLQLIHKDTGLIKEDEVFLGHLPLMTEDGSFIINGAD RVIVSQGGRTVGELMADQFRVGLARLARGVRERMVMGSPDTLTPAKLVNSRPLEAALRE FFSRSQLSQFK