6'-Deoxychalcone synthase
In enzymology, a 6'-deoxychalcone synthase (EC 2.3.1.170) is an enzyme that catalyzes the chemical reaction
- 3 malonyl-CoA + 4-coumaroyl-CoA + NADPH + H+ 4 CoA + isoliquiritigenin + 3 CO2 + NADP+ + H2O
| 6'-Deoxychalcone synthase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC number | 2.3.1.170 | ||||||||
| CAS number | 114308-23-5 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
The 4 substrates of this enzyme are malonyl-CoA, 4-coumaroyl-CoA, NADPH, and H+, whereas its 5 products are CoA, isoliquiritigenin, CO2, NADP+, and H2O. Deoxychalcone synthase catalyzed activity is involved in the biosynthesis of retrochalcone and certain phytoalexins in the cells of Glycyrrhiza echinata (Russian licorice) and other leguminous plants.
This enzyme belongs to the family of transferases, to be specific those acyltransferases transferring groups other than aminoacyl groups. The systematic name of this enzyme class is malonyl-CoA:4-coumaroyl-CoA malonyltransferase (cyclizing, reducing).
References
- Ayabe S, Udagawa A, Furuya T (1988). "NAD(P)H-dependent 6'-deoxychalcone synthase activity in Glycyrrhiza echinata cells induced by yeast extract". Arch. Biochem. Biophys. 261 (2): 458–62. doi:10.1016/0003-9861(88)90362-1. PMID 3355160.
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