K(+) versus Na(+) ions in a K channel selectivity filter: a simulation study.
Molecular dynamics simulations of a bacterial potassium channel (KcsA) embedded in a phospholipid bilayer reveal significant differences in interactions of the selectivity filter with K(+) compared with Na(+) ions. K(+) ions and water molecules within the filter undergo concerted single-file motion...
Những tác giả chính: | Shrivastava, I, Tieleman, D, Biggin, P, Sansom, MS |
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Định dạng: | Journal article |
Ngôn ngữ: | English |
Được phát hành: |
2002
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