IUBMB Enzyme Nomenclature


Accepted name: β-amyrin 6β-monooxygenase

Reaction: β-amyrin + [reduced NADPH—hemoprotein reductase] + O2 = daturadiol + [oxidized NADPH—hemoprotein reductase] + H2O

For diagram of reaction click here.

Glossary: daturadiol = 6β-hydroxy-β-amyrin = olean-12-ene-3β,6β-diol

Other name(s): CYP716E26

Systematic name: β-amyrin,[reduced NADPH—hemoprotein reductase]:oxygen oxidoreductase (daturadiol forming)

Comments: A cytochrome P-450 (heme-thiolate) protein isolated from the plant Solanum lycopersicum (tomato).

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Yasumoto, S., Seki, H., Shimizu, Y., Fukushima, E.O. and Muranaka, T. Functional characterization of CYP716 family P450 enzymes in triterpenoid biosynthesis in tomato. Front. Plant Sci. 8 (2017) 21. [PMID: 28194155]

[EC created 2018]

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