>8oie_B mol:protein length:115 Nitrogenase iron-iron protein delta chainMTDISEKLDPLVDYIMKNCLWQFNSRGWDRLKQNAGILSQTCEILCGEEPVHETAMDRCYWVDAVILSRAYKARFPWLMAMTKPEIKSLFKALHEKIDHLTVHGSLNTELTVPHY