3,4-dihydroxyphenylacetate + NADPH + O2 + H(+) => 2,4,5-trihydroxyphenylacetate + NADP(+) + H2O
3,4-dihydroxyphenylacetate + nadph + o2 + h(+) => 2,4,5-trihydroxyphenylacetate + nadp(+) + h2o
3,4-dihydroxyphenylacetate + NADPH + O2 + H(+) => 2,4,5-trihydroxyphenylacetate + NADP(+) + H2O
3,4-dihydroxyphenylacetate + nadph + o2 + h(+) => 2,4,5-trihydroxyphenylacetate + nadp(+) + h2o