>3e7h_B mol:protein length:103 DNA-directed RNA polymerase subunit betaAVNFEVKDQTLMMELVPERLRGETATFDIEADGKVYVEKGRRVTARHIRQLEKDGVNFIEVPVEYIVGKVSAKDYVNEATGELIITANQEISLEALANLSQAG