>sp|Q02XW6|PYRB_LACLS Aspartate carbamoyltransferase catalytic subunit OS=Lactococcus lactis subsp. cremoris GN=pyrB MSVKNGLVQLENLTSMENLSVDEVMGLIKRASAFKAGKADFALDEQTFASNLFFENSTRT HHSFHIAERKLGLDVLEFDAQASSISKGETLYDTVLTLDALGVDICVIRSGVEHYYEELV NSDNIHCAIVNGGDGSGQHPSQCLLDLMTIYEEFGKFEGLKIAISGDLTHSRVAKSNMMM LQKLGARLYFTGPAAWYSEEFDDYGHYANLDRILPELDVHMLLRVQHERHDSGESFSKEG YHTHFGLTQERAKMLKPTAIIMHPAPVNRDVEIADSLVESPQSRIVQQMSNGVYTRMAIL EAILAGKKAK