>tr|A0A0E3GV39|A0A0E3GV39_SACSO Aspartate carbamoyltransferase regulatory chain OS=Saccharolobus solfataricus GN=pyrI MISSSKRDELIVSKIRNGTVIDHIPAGRALAVLRILGIRGSEGYRVALVMNVESKKIGRK DIVKIEDRVIDEKEASLITLIAPSATINIIRDYVVTEKRHLEVPKQIRGLIKCPNPQCIT NNDVEAESRFITISIKPLKLKCKYCEMYITEDDVIRQIL