Nif-specific regulatory protein nifA 522 NIFA_AZOVI Required for activation of most nif operons, which are directly involved in nitrogen fixation. MNATIPQRSAKQNPVELYDLQLQALASIARTLSREQQIDELLEQVLAVLHNDLGLLHGLVTISDPEHGALQIGAIHTDSEAVAQACEGVRYRSGEGVIGNVLKHGNSVVLGRISADPRFLDRLALYDLEMPFIAVPIKNPEGNTIGVLAAQPDCRADEHMPARTRFLEIVANLLAQTVRLVVNIEDGREAADERDELRREVRGKYGFENMVVGHTPTMRRVFDQIRRVAKWNSTVLVLGESGTGKELIASAIHYKSPRAHRPFVRLNCAALPETLLESELFGHEKGAFTGAVKQRKGRFEQADGGTLFLDEIGEISPMFQAKLLRVLQEGEFERVGGNQTVRVNVRIVAATNRDLESEVEKGKFREDLYYRLNVMAIRIPPLRERTADIPELAEFLLGKIGRQQGRPLTVTDSAIRLLMSHRWPGNVRELENCLERSAIMSEDGTITRDVVSLTGVDNESPPLAAPLPEVNLADETLDDRERVIAALEQAGWVQAKAARLLGMTPRQIAYRIQTLNIHMRKI