(E)-hept-2-enal + NADP(+) + H2O <=> (E)-hept-2-enoate + NADPH + 2 H(+)
(e)-hept-2-enal + nadp(+) + h2o <=> (e)-hept-2-enoate + nadph + 2 h(+)
(E)-hept-2-enal + NADP(+) + H2O <=> (E)-hept-2-enoate + NADPH + 2 H(+)
(e)-hept-2-enal + nadp(+) + h2o <=> (e)-hept-2-enoate + nadph + 2 h(+)