beta-ribofuranosylaminobenzene 5'-phosphate synthase activity

Catalysis of the reaction: 4-aminobenzoate + 5-phospho-alpha-D-ribose 1-diphosphate = 4-(beta-D-ribofuranosyl)aminobenzene 5'-phosphate + CO2 + diphosphate.

Source:http://purl.uniprot.org/go/0043793