Molecular area of cholesterol

Value 38 Å^2
Organism Generic
Reference Nichols JW, Deamer DW. Net proton-hydroxyl permeability of large unilamellar liposomes measured by an acid-base titration technique. Proc Natl Acad Sci U S A. 1980 Apr77(4):2038-42. p.2039 left column 2nd paragraphPubMed ID6246519
Primary Source Ekwall, Per Ekholm, Reino Norman, Arne, Surface Balance Studies of Bile Acid Monolayers. I. Cholanic and Glycocholanic Acid Monolayers. (1957) Acta Chem. Scand. 11, pp. 693-702. DOI number: 10.3891/acta.chem.scand.11-0693
Method X ray diffraction
Comments P.2039 left column 2nd paragraph: "The molecular area of cholesterol is constant and was taken as 38Å^2 (primay source)." Constant, irrespective of membrane composition. Note-area of 37Å^2 given in primary source p.698 top line
Entered by Uri M
ID 106107