>sp|Q8ZB38|PYRI_YERPE Aspartate carbamoyltransferase regulatory chain OS=Yersinia pestis GN=pyrI MTQDYKLQVEAIKCGTVIDHIPAQIGFKLLSLFKLTATDQRITIGLNLPSKRSGRKDLIK IENTFLTEQQANQLAMYAPDATVNRIDNYEVVKKLTLSLPERIDAVLTCPNSNCISHNEP VDSSFTVKAQRGEISLKCKYCEKEFDHLTVLHAD