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Glossary of Physiology Terms -
Ball and chain model

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Ball and chain model

Definition:
Proposed model for the inactivation of some voltage-gated ion channels. According to this model, after channel opening, the pore of the open channel is plugged by a globular cytoplasmic portion of the channel protein. The globular portion (ball of amino acids) is tethered to the rest of the protein by a linker part (chain of amino acids).

Related glossary terms/phrases:
Channel inactivation

See also:
Neuronal Action Potential - Important Features of the Neuronal Action Potential




Posted: Sunday, March 2, 2014
Last updated: Wednesday, March 12, 2025
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