>sp|Q8ZYH7|PYRB_PYRAE Aspartate carbamoyltransferase catalytic subunit OS=Pyrobaculum aerophilum GN=pyrB MWKGRDVISSRDFTRHDLEELFDVAKQMERYAKSRVELLKGKMMGVAFFEPSTRTRLSFE VAMKRLGGDVIGFSGAEGTSVEKGETLADTIRMLDAYSDIIVIRHKYEGAAKLAAEIAES PVINGGDGAFNHPTQAMLDVYTIWREFGYVDGLNIGIVGDLRHARTVNSLLETLVNFDVR VFLISPEYLRPRAETIDYIQSRGMKYSFHNGLEEVIHELDVVYVVRIQKERFLDPLEYEK VKGSYKITLDVLKNAKTNLIILHPLPRVDEIDHKVDATPYAKYFKQAALGVPLRMALIYL ILAGP