IUBMB Enzyme Nomenclature


Accepted name: cholestenol Δ-isomerase

Reaction: 5α-cholest-7-en-3β-ol = 5α-cholest-8-en-3β-ol

For diagram click here.

Systematic name: Δ7-cholestenol Δ78-isomerase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 52410-46-5


1. Wilton, D.C., Rahimtula, A.D. and Akhtar, M. The reversibility of the Δ8-cholestenol-Δ7-cholestenol isomerase reaction in cholesterol biosynthesis. Biochem. J. 114 (1969) 71-73. [PMID: 5810070]

[EC created 1972]

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