Wu TK, et al. (2008) Importance of Saccharomyces cerevisiae Oxidosqualene-Lanosterol Cyclase Tyrosine 707 Residue for Chair-Boat Bicyclic Ring Formation and Deprotonation Reactions. Org Lett 10(21):4959-62
Abstract: A contact mapping strategy was applied to identify putative amino acid residues that influence the oxidosqualene-lanosterol B-ring cyclization reaction. A bicyclic intermediate with two altered deprotonation products, in conjunction with lanosterol, were isolated from the ERG7 (Y707X) mutants, indicating that the Tyr707 residue may play a functional role in stabilizing the chair-boat bicyclic C-8 cation and the lanosteryl C-8/C-9 cation intermediates.
|Status: Published||Type: Journal Article||PubMed ID: 18842050|
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