label: nicotinate-nucleotide diphosphorylase (carboxylating) activity
label_lc: nicotinate-nucleotide diphosphorylase (carboxylating) activity
description: "Catalysis of the reaction: CO2 + diphosphate + nicotinate D-ribonucleotide = 5-phospho-alpha-D-ribose 1-diphosphate + 2 H+ + quinolinate."