<p> This family contains the light-dependent, NADPH-dependent form of protochlorophyllide reductase (<db_xref db="EC" dbkey="1.3.1.33"/>) which catalyses the reaction <reaction> chlorophyllide A + NADP+ = protochlorophyllide + NADPH. </reaction> The enzyme belongs to the short chain alcohol dehydrogenase family. </p> Light-dependent protochlorophyllide reductase