q-dihydrobiopterin + NADH + H+ => tetrahydrobiopterin + NAD+ (Caenorhabditis elegans)
q-dihydrobiopterin + nadh + h+ => tetrahydrobiopterin + nad+ (caenorhabditis elegans)
q-dihydrobiopterin + NADH + H+ => tetrahydrobiopterin + NAD+ (Caenorhabditis elegans)
q-dihydrobiopterin + nadh + h+ => tetrahydrobiopterin + nad+ (caenorhabditis elegans)