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Alkali metal cations modulate the geometry of different binding sites in HCN4 selectivity filter for permeation or block
Hyperpolarization-activated cyclic-nucleotide gated (HCN) channels are important for timing biological processes like heartbeat and neuronal firing. Their weak cation selectivity is determined by a filter domain with only two binding sites for K(+) and one for Na(+). The latter acts as a weak blocke...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Rockefeller University Press
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10386491/ https://www.ncbi.nlm.nih.gov/pubmed/37523352 http://dx.doi.org/10.1085/jgp.202313364 |