The Enzyme Database

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EC 2.3.1.220     
Accepted name: 2,4,6-trihydroxybenzophenone synthase
Reaction: 3 malonyl-CoA + benzoyl-CoA = 4 CoA + 2,4,6-trihydroxybenzophenone + 3 CO2
For diagram of polyketides biosynthesis, click here
Other name(s): benzophenone synthase (ambiguous); BPS (ambiguous)
Systematic name: malonyl-CoA:benzoyl-CoA malonyltransferase (2,4,6-trihydroxybenzophenone-forming)
Comments: Involved in the biosynthesis of plant xanthones. The enzyme from the plant Hypericum androsaemum L can use 3-hydroxybenzoyl-CoA instead of benzoyl-CoA, but with lower activity (cf. EC 2.3.1.151, 2,3′,4,6-tetrahydroxybenzophenone synthase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Schmidt, W. and Beerhues, L. Alternative pathways of xanthone biosynthesis in cell cultures of Hypericum androsaemum L. FEBS Lett. 420 (1997) 143–146. [PMID: 9459298]
2.  Nualkaew, N., Morita, H., Shimokawa, Y., Kinjo, K., Kushiro, T., De-Eknamkul, W., Ebizuka, Y. and Abe, I. Benzophenone synthase from Garcinia mangostana L. pericarps. Phytochemistry 77 (2012) 60–69. [PMID: 22390826]
[EC 2.3.1.220 created 2013]
 
 


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