ID 1.14.99.26 DE 2-hydroxypyridine 5-monooxygenase. AN 2-Hydroxypyridine oxygenase. CA 2-hydroxypyridine + AH2 + O2 = 2,5-dihydroxypyridine + A + H2O. CC -!- Also oxidizes 2,5-dihydroxypyridine, but does not act on CC 3-hydroxypyridine, 4-hydroxypyridine or 2,6-dihydroxypyridine. //