>sp|A8AMC9|PYRI_CITK8 Aspartate carbamoyltransferase regulatory chain OS=Citrobacter koseri GN=pyrI MTHDNKLQVEAIKRGTVIDHIPAQVGFKLLTLFKLTETDQRITIGLNLPSGEMGRKDLIK IENTFLTEEQVNQLSLYAPQATVNRIDNYDVVGKSRPSLPDRIDNVLVCPNSNCISHAEP VSSSFAVKKRTDDIALKCKYCEKEFSHYVVLAN