>7qqa_B mol:protein length:274 Nitrogenase iron proteinTRKVAIYGKGGIGKSTTTQNTAAALAYFHDKKVFIHGCDPKADSTRLILGGKPQETLMDMLRDKGAEKITNDDVIKKGFLDIQCVESGGPEPGVGCAGRGVITAIDLMEENGAYTDDLDFVFFDVLGDVVCGGFAMPIRDGKAQEVYIVASGEMMAIYAANNICKGLVKYAKQSGVRLGGIICNSRKVDGEREFLEEFTAAIGTKMIHFVPRDNIVQKAEFNKKTVTEFAPEENQAKEYGELARKIIENDEFVIPKPLTMDQLEDMVVKYGIAD