>6nzj_B mol:protein length:273 Nitrogenase iron proteinMRQIAIYGKGGIGKSTTTQNLTAALSTMGNNILLVGCDPKADSTRMLLGGLNQKTVLDTLRSEGDEGIDLDTVLQPGFGGIKCVESGGPEPGVGCAGRGIITSIGLLENLGAYTDDLDYVFYDVLGDVVCGGFAMPIREGKAKEIYIVASGELMAIYAANNICKGLAKFAKGGARLGGIICNSRKVDGERELLEAFAKKLGSHLIHFVPRDNIVQRAEINRKTVIDFDRESDQAKEYLTLADNVQNNNKLVVPTPLPMEELEAMMVEFGIVEL