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Permeation of water through the KcsA K+ channel.

Abstract:

Previous studies have reported that the KcsA potassium channel has an osmotic permeability coefficient of 4.8 x 10(-12) cm3/s, giving it a significantly higher osmotic permeability coefficient than that of some membrane channels specialized in water transport. This high osmotic permeability is proposed to occur when the channel is depleted of potassium ions, the presence of which slow down the water permeation process. The atomic structure of the potassium-depleted KcsA channel and the mechan...

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Publication status:
Published

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Publisher copy:
10.1002/prot.22163
Journal:
Proteins More from this journal
Volume:
74
Issue:
2
Pages:
437-448
Publication date:
2009-02-01
DOI:
EISSN:
1097-0134
ISSN:
0887-3585
Language:
English
Keywords:
Pubs id:
pubs:118289
UUID:
uuid:1decc82f-cc65-4f2c-ab26-12846523504f
Local pid:
pubs:118289
Source identifiers:
118289
Deposit date:
2012-12-19

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