>sp|B8D9F5|PYRI_BUCA5 Aspartate carbamoyltransferase regulatory chain OS=Buchnera aphidicola subsp. Acyrthosiphon pisum GN=pyrI MEINKLQVEAIKSGSVIDHIPEYIGFKLLSLFRFTETEKRITIGLNLPSKKLGRKDIIKI ENTFLSDEQINQLAIYAPHATVNYINEYNLVRKVFPTLPETIDRILICPNSNCVTNHHLI NSSFILKEDQFFNMNLKCKYCEKEFYKKIVLSCQ