>sp|C3MW46|PYRI_SULIM Aspartate carbamoyltransferase regulatory chain OS=Sulfolobus islandicus GN=pyrI MISSSKRDELIVSKIRKGTVIDHIPAGRALAVLRILGIRGSEGYRVALVMNVESKKIGRK DIVKIEDRVIDEKEASLITLIAPSATINIIRDYVVTEKRHLEVPKQIRGLIKCPNPQCIT NNDVEAESRFTTISIKPLKLKCEYCEIYITEEDVIRQIL