ENTRY       EC 2.4.2.19
NAME        Nicotinate-nucleotide pyrophosphorylase (carboxylating)
            Quinolinate phosphoribosyltransferase (decarboxylating)
CLASS       Transferases
            Glycosyltransferases
            Pentosyltransferases
SYSNAME     Nicotinate-nucleotide:pyrophosphate phosphoribosyltransferase
            (carboxylating)
REACTION    Nicotinate D-ribonucleotide + Pyrophosphate + CO2 =
            Pyridine-2,3-dicarboxylate + 5-Phospho-alpha-D-ribose 1-diphosphate
SUBSTRATE   Nicotinate D-ribonucleotide
            Pyrophosphate
            CO2
PRODUCT     Pyridine-2,3-dicarboxylate
            5-Phospho-alpha-D-ribose 1-diphosphate
PATHWAY     PATH: MAP00760  Nicotinate and nicotinamide metabolism
GENES       MJA: MJ0493(nadC)
            MTH: MTH1832
            ECO: b0109(nadC)
            HPY: HP1355(nadC)
            BSU: nadC(yrxB)
            SYN: slr0936(nadC)
            SCE: YFR047C
STRUCTURES  PDB: 1QAP  
DBLINKS     University of Geneva ENZYME DATA BANK: 2.4.2.19
            WIT (What Is There) Metabolic Reconstruction: 2.4.2.19
///