>sp|A2BJ24|PYRB_HYPBU Aspartate carbamoyltransferase catalytic subunit OS=Hyperthermus butylicus GN=pyrB MGSGSGWKGRDVISILDFDRDSLEQLFEVADKFSSLLRERGRIPLLEGYIVALAFFEPST RTRLSFETAAKRLGADTIGFTSEEAISIAKGETLADTIRMLDSYADMIVLRHRYEGAALY AAEIAEHPVINAGDGKQHHPTQAMLDLYTVRKLFGTIDGLTYGVLGDLRYGRAASSFILA LTIYRPRMIYLISPPLLRVRPEVRMVLDERGMRYREVESLEEVLGELDVLYVTRIQRERF PDQREYEKVRGSYRVTLELLEQHARRELRILHPLPRVDEIAPEVDGTPYAAYFEQARNGV PVRMALLALIAGREV