,

David Mowrey1, Mary Hongying Cheng, Lu Tian Liu

  • 1Department of Anesthesiology, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA.

まとめ

プロポホルがGLICチャネルに非対称的に結合し,対称的結合ではなく,チャネル閉塞を引き起こします. 結合部位におけるこの対称性の破裂は,チャネルの適合性を変化させることで,機能的阻害を引き起こします.

関連する概念動画

Ligand-gated Ion Channels01:19

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Ligand-gated Ion Channels01:19

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Ligand-gated ion channels are transmembrane proteins with a channel for ions to pass through and a binding site for a ligand. The channel opens only when a ligand attaches to the binding site.
Three Subfamilies of Ligand-gated Ion Channels
Ligand-gated ion channels fall into three subfamilies. The 'Cys-loop' includes the nicotinic acetylcholine receptors, γ-aminobutyric acid (GABA), glycine, and 5-hydroxytryptamine receptors. The second one is the 'Pore-loop' channels that include the...
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Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand binds to any of these subunits, it triggers a conformational change that affects the binding sites in the other subunits; this can change the affinity of the other sites for their respective ligands. The ability of the protein to change the shape of its binding site is attributed to the presence of a mix of flexible and stable segments in the...
Cooperative Allosteric Transitions01:58

Cooperative Allosteric Transitions

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