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   Lanosterol synthase
   Lanosterol synthase is an oxidosqualene cyclase (OSC) enzyme that converts (S)-2,3-oxidosqualene ((S)-2,3-epoxysqualene) to a protosterol cation and finally to lanosterol. Lanosterol is a key four-ringed intermediate in cholesterol biosynthesis. In humans, lanosterol synthase is encoded by the LSS ...
   Found op http://en.wikipedia.org/wiki/Lanosterol_synthase
   
   

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