ENTRY       EC 2.4.2.9
NAME        Uracil phosphoribosyltransferase
            UMP pyrophosphorylase
CLASS       Transferases
            Glycosyltransferases
            Pentosyltransferases
SYSNAME     UMP:pyrophosphate phosphoribosyltransferase
REACTION    UMP + Pyrophosphate = Uracil + 5-Phospho-alpha-D-ribose
            $ 1-diphosphate
SUBSTRATE   UMP
            Pyrophosphate
PRODUCT     Uracil
            5-Phospho-alpha-D-ribose 1-diphosphate
PATHWAY     PATH: MAP00240  Pyrimidine metabolism
GENES       ECO: b2498(upp)
            HIN: HI1228(upp)
            BSU: upp(ipc-35d)
            MGE: MG030(upp)
            MPN: B01_orf178(upp)
            SYN: sll1035(upp)
            SCE: YHR128W(FUR1)
DBLINKS     University of Geneva ENZYME DATA BANK: 2.4.2.9
            WIT (What Is There) Metabolic Reconstruction: 2.4.2.9
///