>tr|E1IYI1|E1IYI1_ECOLX Dihydroorotase OS=Escherichia coli MS 145-7 GN=pyrC MTAPSQVLKIRRPDDWHLHLRDGDMLKTVVPYTSEIYGRAIVMPNLAPPVTTVEAAVAYR QRILDAVPAGHNFTPLMTCYLTDSLDPNELERGFNEGVFTAAKLYPANATTNSSHGVTSI DAIMPVLERMEKIGMPLLVHGEVTHADIDIFDREARFIESVMEPLRQRLTALKVVFEHIT TKDAADYVRDGNERLAATITPQHLMFNRNHMLVGGVRPHLYCLPILKRNIHQQALRELVA SGFNRVFLGTDSAPHARHRKESSCGCAGCFNAPTALGSYATVFEEMNALQHFEAFCSVNG PQFYGLPVNDTFIELVREEQQVAESIALTDDTLVPFLAGETVRWSVKQ