EC 5.3.3.5     
Accepted name: cholestenol Δ-isomerase
Reaction: 5α-cholest-7-en-3β-ol = 5α-cholest-8-en-3β-ol
Systematic name: Δ7-cholestenol Δ78-isomerase
References:
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 5.3.3.5 created 1972]