ID 1.14.13.114 DE 6-hydroxynicotinate 3-monooxygenase. AN 6HNA monooxygenase. AN HNA-3-monooxygenase. CA 6-hydroxynicotinate + 2 H(+) + NADH + O2 = 2,5-dihydroxypyridine + CO2 + CA H2O + NAD(+). CC -!- The reaction is involved in the aerobic catabolism of nicotinic acid. DR A0A0H3LKL4, 6HN3M_BORBR; P86491, 6HN3M_PSEFL; Q88FY2, 6HN3M_PSEPK; //