>1lb2_B mol:protein length:84 DNA-directed RNA polymerase alpha chainKPEFDPILLRPVDDLELTVRSANCLKAEAIHYIGDLVQRTEVELLKTPNLGKKSLTEIKDVLASRGLSLGMRLENWPPASIADE