Dielectric modulation of biological water -: art. no. 228104

被引:89
作者
Despa, F
Fernández, A
Berry, RS
机构
[1] Univ Chicago, Dept Chem, Chicago, IL 60637 USA
[2] Indiana Univ, Sch Informat, Indianapolis, IN 46202 USA
[3] Indiana Univ, Sch Med, INGEN Ctr Computat Biol & Bioinformat, Indianapolis, IN 46202 USA
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevLett.93.228104
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We show that water constrained by vicinal hydrophobes undergoes a librational dynamics that lowers the dielectric susceptibility and induces a "redshift" of the relaxation frequency in the hydration shell. The results shed light on the way proteins enhance their intramolecular interactions as they fold or associate.
引用
收藏
页码:228104 / 1
页数:4
相关论文
共 27 条
  • [11] JEFFERY J, 1995, INTERFACE CHEM BIOCH, P79
  • [12] Water in contact with extended hydrophobic surfaces: Direct evidence of weak dewetting
    Jensen, TR
    Jensen, MO
    Reitzel, N
    Balashev, K
    Peters, GH
    Kjaer, K
    Bjornholm, T
    [J]. PHYSICAL REVIEW LETTERS, 2003, 90 (08) : 4 - 086101
  • [13] KARPLUS M, 1980, ACS SYM SER, P23
  • [14] TEMPERATURE-DEPENDENT INTERNAL FIELD DISTRIBUTION AND MAGNETIC SUSCEPTIBILITY OF A DILUTE ISING SPIN SYSTEM
    KLEIN, MW
    [J]. PHYSICAL REVIEW, 1968, 173 (02): : 552 - +
  • [15] DIPOLE INTERACTIONS AMONG POLAR DEFECTS - SELF-CONSISTENT THEORY WITH APPLICATION TO OH- IMPURITIES IN KCL
    KLEIN, MW
    HELD, C
    ZUROFF, E
    [J]. PHYSICAL REVIEW B, 1976, 13 (08): : 3576 - 3589
  • [16] Water in confinement
    Levinger, NE
    [J]. SCIENCE, 2002, 298 (5599) : 1722 - 1723
  • [17] Collective properties of hydration: Long range and specificity of hydrophobic interactions
    Martorana, V
    Bulone, D
    SanBiagio, PL
    PalmaVittorelli, MB
    Palma, MU
    [J]. BIOPHYSICAL JOURNAL, 1997, 73 (01) : 31 - 37
  • [18] SOLVATION - MOLECULAR-DYNAMICS STUDY OF A DIPEPTIDE IN WATER
    ROSSKY, PJ
    KARPLUS, M
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1979, 101 (08) : 1913 - 1937
  • [19] Effective interactions cannot replace solvent effects in a lattice model of proteins
    Salvi, G
    De Los Rios, P
    [J]. PHYSICAL REVIEW LETTERS, 2003, 91 (25) : 2581021 - 2581024
  • [20] Interaction of water with self-assembled monolayers: Neutron reflectivity measurements of the water density in the interface region
    Schwendel, D
    Hayashi, T
    Dahint, R
    Pertsin, A
    Grunze, M
    Steitz, R
    Schreiber, F
    [J]. LANGMUIR, 2003, 19 (06) : 2284 - 2293