Properties of water molecules in the active site gorge of acetylcholinesterase from computer simulation

Richard H. Henchman, Kaihsu Tai, Tongye Shen, J. Andrew McCammon

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A 10-ns trajectory from a molecular dynamics simulation is used to examine the structure and dynamics of water in the active site gorge of acetylcholinesterase to determine what influence water may have on its function. While the confining nature of the deep active site gorge slows down and structures water significantly compared to bulk water, water in the gorge is found to display a number of properties that may aid ligand entry and binding. These properties include fluctuations in the population of gorge waters, moderate disorder and mobility of water in the middle and entrance to the gorge, reduced water hydrogen-bonding ability, and transient cavities in the gorge.
    Original languageEnglish
    Pages (from-to)2671-2682
    Number of pages11
    JournalBIOPHYSICAL JOURNAL
    Volume82
    Issue number5
    DOIs
    Publication statusPublished - 2002

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