Main Reaction: guanine >> xanthine

Reference: PubMed ID: 11344136
Authors: Schultz AC, Nygaard P, Saxild HH
Title: Functional analysis of 14 genes that constitute the purine catabolic pathway in Bacillus subtilis and evidence for a novel regulon controlled by the PucR transcription activator.
Published: 2001 Jun

guanine --> xanthine