>sp|O30129|PYRI_ARCFU Aspartate carbamoyltransferase regulatory chain OS=Archaeoglobus fulgidus GN=pyrI MRELVVSKIKEGTVIDHINAGKALLVLKILKIQPGTDLTVSMAMNVPSSKMGKKDIVKVE GMFIRDEELNKIALISPNATINLIRDYEIERKFKVSPPEVVEGVLKCPNHACISNAEREP ITPKFYIKTEEMRATARCHYCGRKIENLDNYIS