Guanine + H2O => Xanthine + NH4+ (Schizosaccharomyces pombe)
guanine + h2o => xanthine + nh4+ (schizosaccharomyces pombe)
Guanine + H2O => Xanthine + NH4+ (Schizosaccharomyces pombe)
guanine + h2o => xanthine + nh4+ (schizosaccharomyces pombe)