>8pbb_A mol:protein length:535 Nitrogenase protein alpha chainMPYHEFEVSKCIPERREHAVMKAAGEDLTSCLPKGYLNTIPGTISERGCAYCGAKHVIGTPMKDVIHISHGPNGCTYDTWQTKRYISDNDNFQLKYTFATDVKEKHVVFGAEGLLKKSMHEAFDAFPNIKRMTVYQTCTTALIGDDVDAIAKEVMEERGDVDVFVCNSPGFAGPSQSGGHHKINIAWLNQKVGTVEPDYLGEHVINYVGEYNIQGDQEVMIDYFNRMGIQVLSTFTGNGSYDSLRMMHRAHLNVLECARSAEYICDELRARYGIPRLDIDGFGFEPLANSLRKVALFFGIEDKAEAIIAEEYAKWKPQLDWYKERLKGKKVCLWPGGSKLWHWAHAIEEEMGLKVVSVYTKFGHQGDMEKGVSRCGEGALAIDDPNELESVEAIEMLKPDIIFTGKRPGEFVKKHGVPYLNAHAYHNGPYKGFEGWVRFARDIYNAIYSPMRQLAALDISAPDAAITSGFRTAKMNADLTVSDEVKFSEVLHEYTGKYDSIAEIRARNQAYAAEQKALRDAVQPAAEWSHPQFEK