>10zk_C mol:protein length:499 Nitrogenase protein alpha chainMSLDEDKTNDSAFHARLIAEVLEAYPDKARKRRQKHLNVAGQAEAEAQDAGEEGVMLSECDVKSNVKSVPGVMTIRGCAYAGSKGVVWGPVKDMVHISHGPVGCGQYSWSQRRNYYIGNTGVDSFVTMQFTSDFQEKDIVFGGDKKLEKIIDEIDELFPLAKGISVQSECPIGLIGDDIEAVSRKKKKEIGKTIVPVRCEGFRGVSQSLGHHIANDAIRDWVFDGEDKHAAFETTPYDVNVIGDYNIGGDAWSSRILLEEMGLRVVGNWSGDATLAEIERAPKAKLNLIHCYRSMNYICRHMEEKYNIPWTEYNFFGPSQIAASLRKIAALFDEKIQEGAERVIAKYQPLVDAVIEKFRPRLAGKKVMLYVGGLRPRHVVNAYNDLGMEIVGTGYEFGHNDDYQRTGHYVREGTLIYDDVTGYELEKFIEGIRPDLVGSGIKEKYPVQKMGIPFRQMHSWDYSGPYHGYDGFAIFARDMDLAINNPVWSMFKAPWKNAA