nicotinate beta-D-ribonucleotide + CO2 + diphosphate = quinolinate + 5-phospho-alpha-D-ribose 1-diphosphate + 2 H(+)
nicotinate beta-d-ribonucleotide + co2 + diphosphate = quinolinate + 5-phospho-alpha-d-ribose 1-diphosphate + 2 h(+)
"nicotinate-nucleotide diphosphorylase (carboxylating)"
"nicotinate-nucleotide diphosphorylase (carboxylating)"