>3gfk_B mol:protein length:79 DNA-directed RNA polymerase subunit alphaGPHMKEEDQKEKVLEMTIEELDLSVRSYNCLKRAGINTVQELANKTEEDMMKVRNLGRKSLEEVKAKLEELGLGLRKDD