Backbone Dynamics Of Intracellular Lipid Binding Proteins
- Conference date: 6-10 September 2004
- Location: Mexico City (Mexico)
The family of intracellular lipid binding proteins (iLBPs) comprises a group of homologous 14–15 kDa proteins that specifically bind and facilitate the transport of fatty acids, bile acids, retinoids or eicosanoids. Members of this family include several types of fatty acid binding proteins (FABPs), ileal lipid binding protein, cellular retinoic acid binding proteins and cellular retinoid binding proteins. As a contribution to understanding the structure‐function relationship in this protein family, the solution structure and backbone dynamics of human epidermal‐type FABP (E‐FABP) determined by NMR spectroscopy are reported. Moreover, hydrogen/deuterium exchange experiments indicated a direct correlation between the stability of the hydrogen‐bonding network in the β‐sheet structure and the conformational exchange in the millisecond‐to‐microsecond time range. The features of E‐FABP backbone dynamics discussed in the present study are compared with those obtained for other phylogenetically related proteins. A strong interdependence with the overall protein stability and possibly also with the ligand‐binding affinity for members of the lipid‐binding protein family is shown.
- Conformational dynamics
- Exchange correlation functionals
- Intracellular transport
- Nuclear magnetic resonance spectroscopy
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Y. K. Semertzidis, M. Aoki, M. Auzinsh, V. Balakin, A. Bazhan, G. W. Bennett, R. M. Carey, P. Cushman, P. T. Debevec, A. Dudnikov, F. J. M. Farley, D. W. Hertzog, M. Iwasaki, K. Jungmann, D. Kawall, B. Khazin, I. B. Khriplovich, B. Kirk, Y. Kuno, D. M. Lazarus, L. B. Leipuner, V. Logashenko, K. R. Lynch, W. J. Marciano, R. McNabb, W. Meng, J. P. Miller, W. M. Morse, C. J. G. Onderwater, Y. F. Orlov, C. S. Ozben, R. Prigl, S. Rescia, B. L. Roberts, N. Shafer‐Ray, A. Silenko, E. J. Stephenson, K. Yoshimura and EDM Collaboration
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