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