Immunogen sequence: GVGAIYIRRR PRVRVEALQS GGGQERGMRS GTVPTPLVVG LGAACEVAQQ EMEYDHKRIS KLSERLIQNI MKSLPDVVMN GDPKHHYPGC INLSF Highest antigen sequence identity to the following orthologs: Mouse - 95%, Rat - 95%. NFS1 (nitrogen fixation 1), also known as N