ID 1.14.13.128 DE 7-methylxanthine demethylase. CA (1) 7-methylxanthine + H(+) + NADPH + O2 = formaldehyde + H2O + NADP(+) + CA xanthine. CA (2) 7-methylxanthine + H(+) + NADH + O2 = formaldehyde + H2O + NAD(+) + CA xanthine. CC -!- NADH is the preferred cofactor. CC -!- Part of the caffeine degradation pathway in Pseudomonas putida. DR F0E1K6, NDMC_PSEDT ; //