>sp|Q5M5F8|PYRB_STRT2 Aspartate carbamoyltransferase catalytic subunit OS=Streptococcus thermophilus GN=pyrB MAIADGKVSLKHLVTMETLTNEEVLGMIRRGGDFKNGRADFQLDRQYFAANLFFENSTRT HKSFEVAEKKLGLDVIEFDAGTSSVNKGETLYDTILTMSALGVDICVVRHSEVDYYKQLI DSRTIQTSIVNGGDGSGQHPSQCLLDLMTIYEEFGTFGNLKICIAGDITHSRVAKSNMRI LKRLGAQIYFAGPTEWYSSEFDVYGQHVAIDDVIEDLNVLMLLRVQHERHRNDKGFSKEE YHTLYGLTEERYAKLADQAIIMHPAPVNRDVEIADSLVEAPKARIVTQMQNGVFVRMAII EAILNGKA