Brominated Lipids Identify Lipid Binding Sites on the Surface of the Reaction Center from Rhodobacter sphaeroides.Roszak, A.W., Gardiner, A.T., Isaacs, N.W., Cogdell, R.J.
(2007) Biochemistry 46: 2909-2916
- PubMed: 17315985
- DOI: https://doi.org/10.1021/bi062154i
- Primary Citation of Related Structures:
2HG3, 2HG9, 2HH1, 2HHK, 2HIT, 2HJ6
- PubMed Abstract:
This study describes the use of brominated phospholipids to distinguish between lipid and detergent binding sites on the surface of a typical alpha-helical membrane protein. Reaction centers isolated from Rhodobacter sphaeroides were cocrystallized with added brominated phospholipids. X-ray structural analysis of these crystals has revealed the presence of two lipid binding sites from the characteristic strong X-ray scattering from the bromine atoms. These results demonstrate the usefulness of this approach to mapping lipid binding sites at the surface of membrane proteins.
Department of Chemistry, WestCHEM.