>sp|P16856|VNFK_AZOVI Nitrogenase vanadium-iron protein beta chain OS=Azotobacter vinelandii GN=vnfK MSNCELTVLKPAEVKLSPRDREGIINPMYDCQPAGAQYAGIGIKDCIPLVHGGQGCTMFV RLLFAQHFKENFDVASTSLHEESAVFGGAKRVEEGVLVLARRYPNLRVIPIITTCSTEVI GDDIEGSIRVCNRALEAEFPDRKIYLAPVHTPSFKGSHVTGYAECVKSVFKTITDAHGKG QPSGKLNVFPGWVNPGDVVLLKRYFKEMDVEANIYMDTEDFDSPMLPNKSIETHGRTTVE DIADSANALATLSLARYEGNTTGELLQKTFAVPNALVNTPYGIKNTDDMLRKIAEVTGKE IPESLVRERGIALDALADLAHMFFANKKVAIFGHPDLVLGLAQFCMEVELEPVLLLIGDD QGNKYKKDPRIEELKNTAHFDIEIVHNADLWELEKRINAGLQLDLIMGHSKGRYVAIEAN IPMVRVGFPTFDRAGLYRKPSIGYQGAMELGEMIANAMFAHMEYTRNKEWILNTW