The Enzyme Database

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Accepted name: bacteriochlorophyllide a dehydrogenase
Reaction: (1) 3-deacetyl-3-(1-hydroxyethyl)bacteriochlorophyllide a + NAD+ = bacteriochlorophyllide a + NADH + H+
(2) 3-devinyl-3-(1-hydroxyethyl)chlorophyllide a + NAD+ = 3-acetyl-3-devinylchlorophyllide a + NADH + H+
For diagram of bacteriochlorophyllide a biosynthesis, click here
Other name(s): bchC (gene name)
Systematic name: 3-deacetyl-3-(1-hydroxyethyl)bacteriochlorophyllide-a:NAD+ oxidoreductase (bacteriochlorophyllide a-forming)
Comments: The enzyme, together with EC, chlorophyllide-a reductase, and EC, chlorophyllide-a 31-hydratase, is involved in the conversion of chlorophyllide a to bacteriochlorophyllide a. The enzymes can act in multiple orders, resulting in the formation of different intermediates, but the final product of the cumulative action of the three enzymes is always bacteriochlorophyllide a. The enzyme oxidizes a hydroxyl group on ring A, converting it to an oxo group.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Wellington, C.L. and Beatty, J.T. Promoter mapping and nucleotide sequence of the bchC bacteriochlorophyll biosynthesis gene from Rhodobacter capsulatus. Gene 83 (1989) 251–261. [DOI] [PMID: 2555268]
2.  McGlynn, P. and Hunter, C.N. Genetic analysis of the bchC and bchA genes of Rhodobacter sphaeroides. Mol. Gen. Genet. 236 (1993) 227–234. [PMID: 8437569]
3.  Lange, C., Kiesel, S., Peters, S., Virus, S., Scheer, H., Jahn, D. and Moser, J. Broadened substrate specificity of 3-hydroxyethyl bacteriochlorophyllide a dehydrogenase (BchC) indicates a new route for the biosynthesis of bacteriochlorophyll a. J. Biol. Chem. 290 (2015) 19697–19709. [DOI] [PMID: 26088139]
[EC created 2016]

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