>tr|A0A5I1B972|A0A5I1B972_SALET Aspartate carbamoyltransferase regulatory chain OS=Salmonella enterica subsp. enterica serovar Hvittingfoss GN=pyrI MTHDNKLQVEAIKCGTVIDHIPAQVGFKLLSLFKLTETDQRITIGLNLPSGEMGRKDLIK IENTFLTEEQVNQLALYAPQATVNRIDNYDVVGKSRPSLPERINNVLVCPNSNCISHAEP VSSSFAVKKRANDIALKCKYCEKEFSHYVVLAN