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Single-particle and collective dynamics of protein hydration water: a molecular dynamics study
1NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899-8562 USA.
Physical Review Letters
|January 7, 2003
Abstract:
We present an analysis based on molecular dynamics simulations of water single particle and collective density fluctuations in a protein crystal at 150 and 300 K. For the collective dynamics, the calculations predict the existence of two sound modes. The first one around 35 meV is highly dispersive and the second one around 9 meV is weakly dispersive in the k range studied here (0.5