Catalysis of the reaction: protochlorophyllide a + NADP+ = 3,8-divinyl protochlorophyllide a + NADPH + H+, and chlorophyllide a + NADP+ = 3,8-divinyl chlorophyllide a + NADPH + H+.
synonyms:
3,8-divinyl protochlorophyllide a 8-vinyl-reductase (NADPH) activit,
chlorophyllide-a:NADP+ oxidoreductase activity,
[4-vinyl]chlorophyllide a reductase activity,
4VCR,
3,8-divinyl protochlorophyllide a 8-vinyl reductase activity