>sp|P74766|PYRI_SULAC Aspartate carbamoyltransferase regulatory chain OS=Sulfolobus acidocaldarius (strain ATCC 33909 / DSM 639 / JCM 8929 / NBRC 15157 / NCIMB 11770) OX=330779 GN=pyrI PE=1 SV=1 MEIQGNRKELMVSKIKNGTVIDHIPAGRAFAVLNVLGIKGHEGFRIALVINVDSKKMGKK DIVKIEDKEISDTEANLITLIAPTATINIVREYEVVKKTKLEVPKVVKGILKCPNPYCIT SNDVEAIPTFKTLTEKPLKMRCEYCETIIDENEIMSQILGANNK