The Enzyme Database

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Accepted name: 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (NADPH)
Reaction: protochlorophyllide a + NADP+ = 3,8-divinyl protochlorophyllide a + NADPH + H+
For diagram of chlorophyll biosynthesis (later stages), click here
Other name(s): DVR (gene name); bciA (gene name); [4-vinyl]chlorophyllide a reductase; 4VCR; chlorophyllide-a:NADP+ oxidoreductase; divinyl chlorophyllide a 8-vinyl-reductase; plant-type divinyl chlorophyllide a 8-vinyl-reductase
Systematic name: protochlorophyllide-a:NADP+ C-81-oxidoreductase
Comments: The enzyme, found in higher plants, green algae, and some phototrophic bacteria, is involved in the production of monovinyl versions of (bacterio)chlorophyll pigments from their divinyl precursors. It can also act on 3,8-divinyl chlorophyllide a. cf. EC, 3,8-divinyl protochlorophyllide a 8-vinyl-reductase (ferredoxin).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Tripathy, B.C. and Rebeiz, C.A. Chloroplast biogenesis 60. Conversion of divinyl protochlorophyllide to monovinyl protochlorophyllide in green(ing) barley, a dark monovinyl/light divinyl plant species. Plant Physiol. 87 (1988) 89–94. [PMID: 16666133]
2.  Parham, R. and Rebeiz, C.A. Chloroplast biogenesis: [4-vinyl] chlorophyllide a reductase is a divinyl chlorophyllide a-specific, NADPH-dependent enzyme. Biochemistry 31 (1992) 8460–8464. [PMID: 1390630]
3.  Parham, R. and Rebeiz, C.A. Chloroplast biogenesis 72: a [4-vinyl]chlorophyllide a reductase assay using divinyl chlorophyllide a as an exogenous substrate. Anal. Biochem. 231 (1995) 164–169. [DOI] [PMID: 8678296]
4.  Kolossov, V.L. and Rebeiz, C.A. Chloroplast biogenesis 84: solubilization and partial purification of membrane-bound [4-vinyl]chlorophyllide a reductase from etiolated barley leaves. Anal. Biochem. 295 (2001) 214–219. [DOI] [PMID: 11488624]
5.  Nagata, N., Tanaka, R., Satoh, S. and Tanaka, A. Identification of a vinyl reductase gene for chlorophyll synthesis in Arabidopsis thaliana and implications for the evolution of Prochlorococcus species. Plant Cell 17 (2005) 233–240. [DOI] [PMID: 15632054]
6.  Chew, A.G. and Bryant, D.A. Characterization of a plant-like protochlorophyllide a divinyl reductase in green sulfur bacteria. J. Biol. Chem. 282 (2007) 2967–2975. [DOI] [PMID: 17148453]
[EC created 2003, modified 2016]

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