Ratio between volume of methyl and methylene V(CH3)/V(CH2)

Value ~2 unitless
Organism Generic
Reference Petrache HI, Dodd SW, Brown MF. Area per lipid and acyl length distributions in fluid phosphatidylcholines determined by (2)H NMR spectroscopy. Biophys J. 2000 Dec79(6):3172-92. p.3184 left column bottom paragraphPubMed ID11106622
Primary Source 1) Nagle JF, Wilkinson DA. Lecithin bilayers. Density measurement and molecular interactions. Biophys J. 1978 Aug23(2):159-75. (2) Petrache HI, Feller SE, Nagle JF. Determination of component volumes of lipid bilayers from simulations. Biophys J. 1997 May72(5):2237-42. (3) Armen RS, Uitto OD, Feller SE. Phospholipid component volumes: determination and application to bilayer structure calculations. Biophys J. 1998 Aug75(2):734-44.PubMed ID687759, 9129826, 9675175
Comments See p.3184 right column for methylene volume of 26.5 Å^3 at standard temp. and equation of dependence of CH2 volume on temp.
Entered by Uri M
ID 105811