>sp|C3NGZ9|PYRB_SULIN Aspartate carbamoyltransferase catalytic subunit OS=Sulfolobus islandicus GN=pyrB MRLRHVVSSLDLTRDDYFRIFELADKFSNVKKLNYLSGKVVSLAFFEPSTRTAQSFHTAA IKLGADVIGFASEESTSIAKGENLADTIRMLNNYSNCIVMRHKFDGAALFASEISDIPII NAGDGKHEHPTQALIDLYTIYKVFGEIDGRTFGLLGDLKYARTVNSLLRALTRFKPKKVF LISPSQLKVRREILDGLNYPVIETENPYDVIQDIDVLYVTRIQKERFVDEVEYEKVKESY VVDLKLVNMMKKDGIILHPLPRVTEIDRKVDKTTNAKYFYQASLAVPVRMALFYEVLGER KDD