1.3.1.41 xanthommatin + NADH - Drosophila melanogaster 5,12-dihydroxanthommatin + NAD+ - ? 258543 1.3.1.41 xanthommatin + NADH the reduction of xanthommatin is probably a crucial step for the subsequent pigment deposition Drosophila melanogaster 5,12-dihydroxanthommatin + NAD+ - ? 258543