ID 1.2.1.53 DE 4-hydroxyphenylacetaldehyde dehydrogenase. CA (4-hydroxyphenyl)acetaldehyde + H2O + NAD(+) = 4-hydroxyphenylacetate + CA 2 H(+) + NADH. CC -!- With EC 4.2.1.87, brings about the metabolism of octopamine in CC Pseudomonas. //