>sp|C3N688|PYRB_SULIA Aspartate carbamoyltransferase catalytic subunit OS=Sulfolobus islandicus GN=pyrB MRLRHVVSSLDLTRDDYFRIFELVDKFSNVKKLNYLSGKVVSLAFFEPSTRTAQSFHTAA IKLGADVIGFASEESTSIAKGENLADTIRMLNNYSNCIVMRHKFDGAALFASEISDIPII NAGDGKHEHPTQALIDLYTIYKVFGEIDGRTFGLLGDLKYARTVNSLLRALTRFKPKKVF LISPSQLKVRREILDGLNYPVIETENPYDVIQDIDVLYVTRIQKERFVDEVEYEKVKESY VVDLKLVNMMKKDGIILHPLPRVTEIDRKVDKTTNAKYFYQASLAVPVRMALFYEVLGER KDD