>sp|O68951|VNFG_AZOSA Nitrogenase vanadium-iron protein delta chain OS=Azotobacter salinestris GN=vnfG MSQSRLDDLFAYVEERCLWQFFSRTWDREENIEGVLNQVCRLLTGQEPLRGTPQERLFYA DALAMANDVRERFPWASQVNKEEIAFLIDGLKSRLVDVTITRSTNRELNHHLY