(E)-4-hydroxynon-2-enoate + NADH + 2 H(+) => (E)-4-hydroxynon-2-enal + NAD(+) + H2O
(e)-4-hydroxynon-2-enoate + nadh + 2 h(+) => (e)-4-hydroxynon-2-enal + nad(+) + h2o
(E)-4-hydroxynon-2-enoate + NADH + 2 H(+) => (E)-4-hydroxynon-2-enal + NAD(+) + H2O
(e)-4-hydroxynon-2-enoate + nadh + 2 h(+) => (e)-4-hydroxynon-2-enal + nad(+) + h2o