>tr|F4VD89|F4VD89_ECOLX Dihydroorotase OS=Escherichia coli H591 GN=pyrC MTAPSQVLKIRRPDDWHLHLRDGDMLKTVVPYTSEIYGRAIVMPNLAPPVTTVEAAVAYR QRILDAVPAGHNFTPLMTCYLTDSLDPNELERGFNEGVFTAAKLYPANATTNSSHGVTSI DAIMPVLERMEKIGMPLLVHGEVTHADIDIFDREARFIESVMEPLRQRLTALKVVFEHIT TKDAADYVRDGNERLAATITPQHLMFNRNHMLVGGVRPHLYCLPILKRNIHQQALRELVA SGFNRVFLGTDSAPHARHRKESSCGCAGCFNAPTALGSYATVFEEMNALQHFEAFCSVNG PQFYGLPVNDTFIELVREEQQVAESIALTDDTLVPFLAGETVRWSVKQ