>sp|A2BJ23|PYRI_HYPBU Aspartate carbamoyltransferase regulatory chain OS=Hyperthermus butylicus GN=pyrI
MESGSGLLVRRIREGTVIDHIPAGRALTVLKILGITGREGARIAVVMNVESRKLGRKDIV
KIEGRHLSPEEVDKIALVAPRATINIIHDYRVVAKRRVTVPDIVEGILMCPNPSCITRVG
REPVKPRFRVVSRQPLVLQCVYCGTLVSEEDVAEQLAEGG