>sp|A4WGX8|PYRB_PYRAR Aspartate carbamoyltransferase catalytic subunit OS=Pyrobaculum arsenaticum GN=pyrB MWRGRDVITMRDFGRGELEELFETAKYMEKYAKSRVDFLKGKIMAVAFFEPSTRTRLSFE TAMRRLGGDVIGFWGAEGTSVEKGETLADTIRMLDAYSNIIVIRHKLEGAAKLAAEVAES PVINGGDGAFNHPTQAMLDLYTIWREFGHIDGLNIGLMGDLRYARTINSLLEALANFDVR TFLISPEYLRPRAETLDYVKSRGLKLSFHTNVEEVIHELDVLYVVRVQRERFLDPLEYER VKGSYRVTLEILKKAKKHLAILHPLPRVDEIDHRLDNTPHAKYFKQAALGVPLRMALIYL ILSQP