>tr|D6IHI2|D6IHI2_ECOLX Aspartate carbamoyltransferase regulatory chain OS=Escherichia coli B185 GN=pyrI MTHDNKLQVEAIKRGTVIDHIPAQIGFKLLSLFKLTETDQRITIGLNLPSGEMGRKDLIK IENTFLSEDQVDQLALYAPQATVNRIDNYEVVGKSRPSLPERIDNVLVCPNSNCISHAEP VSSSFAVRKRANDIALKCKYCEKEFSHNVVLAN