>sp|Q8Y662|PYRB_LISMO Aspartate carbamoyltransferase catalytic subunit OS=Listeria monocytogenes serovar 1/2a GN=pyrB MKNLLSMEALTVHEIEHLLEQAAQFKRGKKATFNEQTFAVNMFFEPSTRTHTSFEVAEKK LGVEVVSFDAASSSMTKGETLYDTLLTMQAVGVNVAVIRHSEENYYAGLEKLDIAIVNGG DGCGEHPSQSLLDLFTIKEQFGTFQGLKVAIAGDIRHSRVANSNMKVLKRLGAELFFSGP REWFDESYLAYGTYLPVDEIVEKVDVMMLLRVQHERHSGTDEFTKESYHEKFGLTEDRAK KLKEDAIIMHPSPVNRDVEIADSLVESEKSRIVTQMTNGVFIRMAILEAILKEQEMRAKL CTY