>tr|F0NPS6|F0NPS6_SULIH Aspartate carbamoyltransferase regulatory chain OS=Sulfolobus islandicus GN=pyrI MISSSKRDELIVSKIRKGTVIDHIPAGRALAVLRILGIRGSEGYRVALVMNVESKKIGRK DIVKIEDRVIDEKEASLITLIAPSATINIIRDYVVTEKRHLEVPKQIRGLIKCPNPQCIT NNDVEAESRFTTISIKPLKLKCEYCEIYITEEDVIRQIL