>9p1x_L mol:protein length:559 Nitrogenase protein alpha chainMWSHPQFEKGGGSGGGSGGGSWSHPQFEKSGMGAEIEDKQLIVDNILKVLPEKAARDRRKHIVVRDCAAEQHIEADDKVIPGILTNRGCAFAGTKGVVFGPIKDMVHLVHGPIGCAYFTWGTRRNLAKAEEGEDNYMNYSVCTDMKETDIVFGGEKKLKKAIDEVVKIFNPGAITICATCPVGLIGDDIESVAREAEEEHGIKVIPARCEGYRGVSQSAGHHIASNSLMEHLIGTEDIKDPTPFDINIFGEYNIGGDLWEIKPILEKIGYRIISSLTGDGSFHKISQAHQAKLSILLCHRSINYTNRMMEEKYGVPWLKVNYIGTKGTEKSLRKMAEFFDDPELTRKTEEVIAEEKAKYADEIERYREKLQGKTAFIYAGGSRSHHYINLFEELGMKVVVAGYQFAHRDDYEGRQIIPHIKEKALGSILEDVHYEREENFKPSINAERITELKEKIGLMDYEGLFPEMKDGTIVVDDLNHHETEFLVKALKPDIFCSGIKDKYWAQKIGVPSRQIHSYDYSGRYTGFSGVLNFARDIDMAIHSPTWRFINPPWKGEGAE