This vanadium-iron protein is part of the nitrogenase complex that catalyzes the key enzymatic reactions in nitrogen fixation. VNFD_AZOVI Nitrogenase component I 474 Dinitrogenase 2 subunit alpha Nitrogenase vanadium-iron protein alpha chain MPMVLLECDKDIPERQKHIYLKAPNEDTREFLPIANAATIPGTLSERGCAFCGAKLVIGGVLKDTIQMIHGPLGCAYDTWHTKRYPTDNGHFNMKYVWSTDMKESHVVFGGEKRLEKSMHEAFDEMPDIKRMIVYTTCPTALIGDDIKAVAKKVMKDRPDVDVFTVECPGFSGVSQSKGHHVLNIGWINEKVETMEKEITSEYTMNFIGDFNIQGDTQLLQTYWDRLGIQVVAHFTGNGTYDDLRCMHQAQLNVVNCARSSGYIANELKKRYGIPRLDIDSWGFNYMAEGIRKICAFFGIEEKGEELIAEEYAKWKPKLDWYKERLQGKKMAIWTGGPRLWHWTKSVEDDLGVQVVAMSSKFGHEEDFEKVIARGKEGTYYIDDGNELEFFEIIDLVKPDVIFTGPRVGELVKKLHIPYVNGHGYHNGPYMGFEGFVNLARDMYNAVHNPLRHLAAVDIRDKSQTTPVIVRGAA vnfD