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S4 helix of voltage-gated channels is the voltage sensor of the channel

  1. Oct 19, 2007 #1
    im trying to understand this any explanations
     
  2. jcsd
  3. Oct 20, 2007 #2

    somasimple

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    Gold Member

    Hi,

    The S4 segment is mobile. It may be moved by an external current or the presence of some charged particles.
    Fortunately, there are many called ions that are located on each side of the membrane.

    The S4 segment obeys, in normal circumstances, to attraction and repulsion and Coulomb law.
     
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