>tr|A0A1W9SQW8|A0A1W9SQW8_9GAMM Aspartate carbamoyltransferase regulatory chain OS=Erwiniaceae bacterium 4572_131 GN=pyrI MEINKLQVEAIKSGSVIDHIPEYIGFKLLSLFRFTETEKRITIGLNLPSKKLGRKDIIKI ENTFLSDEQINQLAIYAPHATVNYINEYNLVRKVFPTLPETIDRILICPNSNCVTNHHLI NSSFILKEDQFFNMNLKCKYCEKEFYKKIVLSCQ