Fluorine Bonding Enhances the Energetics of Protein-Lipid Binding in the Gas Phase
作者:Lan Liu、Nobar Jalili、Alyson Baergen、Simon Ng、Justin Bailey、Ratmir Derda、John S. Klassen
DOI:10.1007/s13361-014-0837-8
日期:2014.5.1
study of the energies of noncovalent fluorine bonding in a protein-ligand complex in the absence of solvent. Arrhenius parameters were measured for the dissociation of gaseous deprotonated ions of complexes of bovine β-lactoglobulin (Lg), a model lipid-binding protein, and four fluorinated analogs of stearic acid (SA), which contained (X =) 13, 15, 17, or 21 fluorine atoms. In all cases, the activation
A fluorinated oleic acid 1-Z containing a perfluorooctyl group and its analogues (E-isomer 1-E, alkyne type 2 and saturated type 3) were synthesized in good yields. In these syntheses, it was found that a key compound 5 could be converted to each of 1-Z, 1-E and 2. Furthermore, equilibrium spreading pressures of their monolayers at the air–water interface were measured in order to demonstrate how the