About the Cover
The Journal of General Physiology
115
6
Cover picture: Model explaining the complex voltage dependence of retinal cyclic nucleotide�gated channel (Ch) block by putrescine. Binding of the intracellular diamine (DMi) produces two different blocked channel states (Ch�DMa and Ch�DMb), each representing a channel occupied by a diamine molecule with characteristic affinity and probability of traversing the pore. See related article by Guo, D., Z. Lu in this issue, pp. 783-797.
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