>sp|A8AX88|PYRB_STRGC Aspartate carbamoyltransferase catalytic subunit OS=Streptococcus gordonii GN=pyrB MSSNQIALKNLVSMETLSNEEVMALIKRGIEFKNGAKANYDEQHIVANLFFEPSTRTHKA FEVAELKLGCDLLDFDVKTSSVNKGETLYDTILTMSALGVDICVIRHPEVDYYKELVESP TITTSIVNGGDGSGQHPSQSLLDLMTIYQEFGHFEGLKVAIAGDLDHSRVAKSNMQILKR LGAELYFAGPEEWRSEEFSHYGEFVTIDEVVDKVDVMMFLRVQHERHDYESIFSKENYHR LHGLTQERYDRMKDTAILMHPAPVNRDVEIADHLVEAPKSRIVEQMTNGVFVRMAIIEAV LKGREK