The Enzyme Database

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Accepted name: bacteriochlorophyll a synthase
Reaction: geranylgeranyl diphosphate + bacteriochlorophyllide a = geranylgeranyl-bacteriochlorophyllide a + diphosphate
For diagram of bacteriochlorophyl a biosynthesis, click here
Other name(s): bchG (gene name)
Systematic name: geranylgeranyl-diphosphate:bacteriochlorophyllide-a geranylgeranytransferase
Comments: The enzyme catalyses the addition of a geranylgeranyl hydrophobic chain to bacteriochlorophyllide a via an ester bond with the 17-propionate residue. The side chain is later modified to a phytyl chain, resulting in bacteriochlorophyll a.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
1.  Oster, U., Bauer, C.E. and Rüdiger, W. Characterization of chlorophyll a and bacteriochlorophyll a synthases by heterologous expression in Escherichia coli. J. Biol. Chem. 272 (1997) 9671–9676. [DOI] [PMID: 9092496]
2.  Addlesee, H.A., Fiedor, L. and Hunter, C.N. Physical mapping of bchG, orf427, and orf177 in the photosynthesis gene cluster of Rhodobacter sphaeroides: functional assignment of the bacteriochlorophyll synthetase gene. J. Bacteriol. 182 (2000) 3175–3182. [DOI] [PMID: 10809697]
3.  Garcia-Gil, L.J., Gich, F.B. and Fuentes-Garcia, X. A comparative study of bchG from green photosynthetic bacteria. Arch. Microbiol. 179 (2003) 108–115. [DOI] [PMID: 12560989]
4.  Saga, Y., Hirota, K., Harada, J. and Tamiaki, H. In vitro enzymatic activities of bacteriochlorophyll a synthase derived from the green sulfur photosynthetic bacterium Chlorobaculum tepidum. Biochemistry 54 (2015) 4998–5005. [DOI] [PMID: 26258685]
[EC created 2016]

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