Cycloartenol synthase

This enzyme belongs to the family of isomerases, specifically those intramolecular transferases transferring other groups. The systematic name of this enzyme class is (S)-2,3-epoxysqualene mutase (cyclizing, cycloartenol-forming). Other names in common use include 2,3-epoxysqualene cycloartenol-cyclase, squalene-2,3-epoxide-cycloartenol cyclase, 2,3-epoxysqualene cycloartenol-cyclase, 2,3-epoxysqualene-cycloartenol cyclase, and 2,3-oxidosqualene-cycloartenol cyclase. This enzyme participates in biosynthesis of steroids.

References

Rees HH, Goad LJ, Goodwin TW (1969). "2,3-oxidosqualene cycloartenol cyclase from Ochromonas malhamensis". Biochim. Biophys. Acta. 176 (4): 892–4. doi:10.1016/0005-2760(69)90274-4. PMID 5797101.

Isomerase: mutases (EC 5.4)

5.4.1 Acyl Groups	Lysolecithin acylmutase Precorrin-8X methylmutase

5.4.2 Phosphomutases	Phosphoglycerate mutase Bisphosphoglycerate mutase Phosphoglucomutase Phosphomannomutase PMM1 PMM2

5.4.99 Other groups	Methylmalonyl-CoA mutase Lanosterol synthase

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases (list) EC2 Transferases (list) EC3 Hydrolases (list) EC4 Lyases (list) EC5 Isomerases (list) EC6 Ligases (list)

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