Na+ interaction with the pore of Shaker B K+ channels: Zero and low K+ conditions

Journal of General Physiology

Volumn 118, Issue 6, 2001, Pages 639-648

  Gómez Lagunas, Froylán ^a,b  

^a UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO   (Mexico)

^b INSTITUTO DE BIOTECNOLOGÍA   (Mexico)

Author keywords

Conductance; K+ affinity; Na+ block; Selectivity; Zero K+

Indexed keywords

POTASSIUM CHANNEL; POTASSIUM ION; SODIUM ION;

ANIMAL CELL; ARTICLE; BINDING AFFINITY; CHANNEL GATING; CHEMICAL REACTION KINETICS; ION CONDUCTANCE; ION TRANSPORT; MOLECULAR INTERACTION; NONHUMAN;

ANIMALS; BACULOVIRIDAE; CELL LINE; ELECTROPHYSIOLOGY; INSECTS; IONS; MEMBRANE POTENTIALS; POTASSIUM; POTASSIUM CHANNELS; SHAKER SUPERFAMILY OF POTASSIUM CHANNELS; SODIUM;

EID: 0035196715     PISSN: 00221295     EISSN: None     Source Type: Journal    
DOI: 10.1085/jgp.118.6.639     Document Type: Article

References (33)

1. +-free media
2. Negative conductance caused by entry of sodium and cesium ions into the potassium channels of squid axons
3. Ion permeation and block of M-type and delayed rectifier potassium channels
4. Delayed rectifier current of bullrog sympathetic neurons: Ion-ion competition, asymmetrical block and effects of ions on gating
5. Sodium channel selectivity. Dependence on internal permeant ion concentration
6. Sodium and potassium curents in squid axons perfused with fluoride solutions
7. + conduction and selectivity
8. Sodium ions as blocking agents and charge carriers in the potassium channel of the squid giant axon
9. + ions: A remarkably stable non-conducting state produced by membrane depolarizations
10. +
11. - competition for a site of the pore of Shaker K channels
12. Influence of permeating ions on otassium channel block by tetraethylammonium
13. + channels
14. + channels: Evidence for non-conducting closed and non-conducting inactivated states
15. + in a baculovirus-infected insect cell line
16. +
17. Permeation selectivity by competition in a delayed rectifier potassium channel
18. Conduction and selectivity in potassium channels
19. Blocking of large unitary calcium-dependent potassium currents by internal sodium ions
20. + solutions: Role of the voltage sensor
21. Potassium blocks barium permention through a calcium-activated potassium channel
22. 2+activated K+ channel
23. + channels
24. + affinity of an ion binding site revealing ion-ion interactions in the pore
25. Ion conductance and ion selectivity of potassium channels in snail neurons
26. + permeabilities
27. + channel
28. + ion binding site in Shaker K channels
29. Ionic blockage of sodium channels in nerve
30. + channels of bovine chromaffin cells
31. + through a putative K+ channel in rat superior cervical ganglion neurons
32. + in the human delayed rectifier K+ channel Kvl.5