>sp|Q31EK2|PYRB_HYDCU Aspartate carbamoyltransferase catalytic subunit OS=Hydrogenovibrio crunogenus GN=pyrB MRLSTPNLQLNEQGKLRHFLTIEGLKQHHLTEILDVAESFINPVTGDISKVPSLHGKTIM NLFFEPSTRTLTTFEIAEKRLSADVVNLNIETSSTKKGETLLDTLWNLEAMLADVFVVRH SESGAAHFIAKHVAPHVHVVNAGDGQHAHPTQAMLDMFTIRKHKGDIFDLKVAIIGDVQH SRVVRSQIQALSILEAREIRVIGPKTLMPSHPEALGVHVYDHIEEGLDGVDVIINVRLQN ERMKSALLPSEKEFFNLYGLTKERLSYAKPDAIVMHPGPVNRGVEIDSEVADGHQSVILE QVTYGIAVRMAVMSIIIDNAKQLNADKQITKKVTEEARS