>tr|A0A4V1DS51|A0A4V1DS51_ECOLX Aspartate carbamoyltransferase regulatory chain OS=Escherichia coli O145:NM GN=pyrI MTHDNKLQVEAIKRGTVIDHIPAQIGFKLLSLFKLTETDQRITIGLNLPSGEMGRKDLIK IENTFLSEDQVDQLALYAPQATVNRIDNYEVVGKSRPSLPERIDNVLVCPNSNCISHAEP VSSSFAVRKRANDIALKCKYCEKEFSHNVVLAN