>sp|Q5M0X1|PYRB_STRT1 Aspartate carbamoyltransferase catalytic subunit OS=Streptococcus thermophilus GN=pyrB MAIADGKVSLKHLVTMETLTNEEVLGMIRRGGDFKNGRADFQLDRQYFAANLFFENSTRT HKSFEVAEKKLGLDVIEFDAGTSSVNKGETLYDTILTMSALGVDICVVRHSEVDYYKQLI DSRTIQTSIVNGGDGSGQHPSQCLLDLMTIYEEFGTFGNLKICIAGDITHSRVAKSNMRI LKRLGAQIYFAGPTEWYSSEFDVYGQHVAIDDVIEDLNVLMLLRVQHERHRNDKGFSKEE YHTLYGLTEERYAKLADQAIIMHPAPVNRDVEIADSLVEAPKARIVTQMQNGVFVRMAII EAILNGKA