>9nsv_D mol:protein length:523 Nitrogenase MoFe-protein beta chainMSQQVDNIKPSYPLFRDQDYKDMLAKKRDNFEEKHPQEKIDEVFQWTTTEEYQELNFQREALTVNPAKACQPLGAVLCSLGFEKTMPYVHGSQGCVAYFRTYFNRHFKEPISCVSDSMTEDAAVFGGQQNMKDGLQNCKAIYKPDMIAVSTTCMAEVIGDDLNAFINNSKKEGHIPDEFPVPFAHTPSFVGSHVTGWDNMFEGIARYFTLNYMEDKEVGSNGKINIVPGFETYLGNFRVIKRMMNEMNVDYTLLSDPEEVLDTPADGQFRMYAGGTTQDEMKDAPNALNTLMLQPWQLTKTTKFVKNTWKHEVPKLNIPMGLDWTDEFLMKVSEISGQPIPESLAKERGRLVDMMTDSHTWLHGKKFALWGDPDFVMGMTKFLLELGCEPIHILCNNANKRWKKAMDAILAESPYGANSEVHIGKDLWHMRSLVFTNKPDFMIGNSYGKFIQRDTLYKGKEFEVPLIRIGFPIFDRHHLHRQTTLGYEGAMQILTTLVNSVLERLDEETRGMQTTDYNYDLVR