EC 5.4.99.7     
Accepted name: lanosterol synthase
Reaction: (3S)-2,3-epoxy-2,3-dihydrosqualene = lanosterol
Other name(s): 2,3-epoxysqualene lanosterol cyclase; squalene-2,3-oxide-lanosterol cyclase; lanosterol 2,3-oxidosqualene cyclase; squalene 2,3-epoxide:lanosterol cyclase; 2,3-oxidosqualene sterol cyclase; oxidosqualene cyclase; 2,3-oxidosqualene cyclase; 2,3-oxidosqualene-lanosterol cyclase; oxidosqualene-lanosterol cyclase; squalene epoxidase-cyclase; (S)-2,3-epoxysqualene mutase (cyclizing, lanosterol-forming)
Systematic name: (3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, lanosterol-forming)
References:
1.  Dean, P.D.G., Oritz de Montellano, P.R., Bloch, K. and Corey, E.J. A soluble 2,3-oxidosqualene sterol cyclase. J. Biol. Chem. 242 (1967) 3014–3015. [PMID: 6027261]
[EC 5.4.99.7 created 1961 as EC 1.99.1.13, transferred 1965 to EC 1.14.1.3, part transferred 1972 to EC 5.4.99.7 rest to EC 1.14.99.7]