In enzymology, chlorophyll synthase (EC 2.5.1.62) is an enzyme that catalyzes the chemical reaction
| chlorophyll synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.5.1.62 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
| |||||||||
- chlorophyllide a + phytyl diphosphate chlorophyll a + diphosphate
The two substrates of this enzyme are chlorophyllide a and phytyl diphosphate; its two products are chlorophyll a and diphosphate. The same enzyme can act on chlorophyllide b to form chlorophyll b and similarly for chlorophyll d and f.[1]
- Structures of the main substrate and product of the enzyme
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Chlorophyllide a
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Chlorophyll a
This enzyme belongs to the family of transferases, specifically those transferring aryl or alkyl groups other than methyl groups. The systematic name of this enzyme class is chlorophyllide-a:phytyl-diphosphate phytyltransferase. This reaction is the final step of the complete biosynthetic pathway to chlorophylls from glutamic acid.[2][3]
See also
editReferences
edit- ^ Tsuzuki Y, Tsukatani Y, Yamakawa H, Itoh S, Fujita Y, Yamamoto H (March 2022). "Effects of Light and Oxygen on Chlorophyll d Biosynthesis in a Marine Cyanobacterium Acaryochloris marina". Plants. 11 (7): 915. doi:10.3390/plants11070915. PMC 9003380. PMID 35406896.
- ^ Willows RD (June 2003). "Biosynthesis of chlorophylls from protoporphyrin IX". Natural Product Reports. 20 (3): 327–341. doi:10.1039/B110549N. PMID 12828371.
- ^ Bollivar DW (November 2006). "Recent advances in chlorophyll biosynthesis". Photosynthesis Research. 90 (2): 173–194. doi:10.1007/s11120-006-9076-6. PMID 17370354. S2CID 23808539.
Further reading
edit- Schmid HC, Rassadina V, Oster U, Schoch S, Rüdiger W (November 2002). "Pre-loading of chlorophyll synthase with tetraprenyl diphosphate is an obligatory step in chlorophyll biosynthesis". Biological Chemistry. 383 (11): 1769–1778. doi:10.1515/BC.2002.198. PMID 12530542. S2CID 3099209.
- Oster U, Bauer CE, Rüdiger W (April 1997). "Characterization of chlorophyll a and bacteriochlorophyll a synthases by heterologous expression in Escherichia coli". The Journal of Biological Chemistry. 272 (15): 9671–9676. doi:10.1074/jbc.272.15.9671. PMID 9092496.
- Rüdiger W, Benz J, Guthoff C (August 1980). "Detection and partial characterization of activity of chlorophyll synthetase in etioplast membranes". European Journal of Biochemistry. 109 (1): 193–200. doi:10.1111/j.1432-1033.1980.tb04784.x. PMID 7408876.