The N-terminus of the K channel KAT1 controls its voltage- dependent gating by altering the membrane electric field

Biophysical Journal

Volumn 74, Issue 6, 1998, Pages 2953-2962

  Marten, Irene ^a,b   Hoshi, Toshinori ^a  

^a UNIVERSITY OF IOWA   (United States)

^b LEIBNIZ UNIVERSITY HANNOVER   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

POTASSIUM CHANNEL;

AMINO TERMINAL SEQUENCE; ANIMAL CELL; ARTICLE; CHANNEL GATING; ELECTRIC FIELD; NONHUMAN; OOCYTE; XENOPUS;

EID: 0031835450     PISSN: 00063495     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0006-3495(98)78002-6     Document Type: Article

References (40)

1. Aldrich, R. W. 1994. Potassium channels. New channel subunits are a turn-off. Curr. Biol. 4:839-840.
2. Anderson, J. A., S. S. Huprikar, L. V. Kochian, W. J. Lucas, and R. Gaber. 1992. Functional expression of a probable Arabidopsis thaliana potassium channel in Saccharomyces cerevisiae. Proc. Natl. Acad. Sci. USA. 89:3736-3740.
3. Auld, V. J., A. L. Goldin, D. S. Krafte, W. A. Catterall, H. A. Lester, N. Davidson, and R. J. Dunn. 1990. A neutral amino acid change in segment IIS4 dramatically alters the gating properties of the voltage-dependent sodium channel. Proc. Natl. Acad. Sci. USA. 87:323-327.
4. + channels. Proc. Natl. Acad. Sci. USA. 88:5092-5095.
5. Curran, M. E., I. Splawski, K. W. Timothy, G. M. Vincent, E. D. Green, and M. T. Keating. 1995. A molecular basis for cardiac arrhythmia: HERG mutations cause long QT syndrome. Cell. 80:795-803.
6. Daram, P., S. Urbach, F. Gaymard, H. Sentenac, and I. Chérel. 1997. Tetramerization of the AKT1 plant potassium channel involves its C-terminal cytoplasmic domain. EMBO J. 16:3455-3463.
7. + channel α-subunits assemble indiscriminately. Biophys. J. 72:2143-2150.
8. Garcia, J., J. Nakai, K. Imoto, and K. G. Beam. 1997. Role of S4 segments and the leucine heptad motif in the activation of an L-type calcium channel. Biophys. J. 72:2515-2523.
9. Hoshi, T. 1995. Regulation of voltage dependence of the KAT1 channel by intracellular factors. J. Gen. Physiol. 105:309-328.
10. Hoshi, T., W. N. Zagotta, and R. W. Aldrich. 1990. Biophysical and molecular mechanisms of Shaker potassium channel inactivation. Science. 250:533-538.
11. + channels: effects of alterations in the carboxy-terminal region. Neuron. 7:547-556.
12. + uptake channels. J. Exp. Bot. 48:415-420.
13. Jan, L. Y., and Y. N. Jan. 1997. Cloned potassium channels from eucaryotes and procaryotes. Anna. Rev. Neurosci. 20:91-112.
14. + channel S4. Neuron. 16:387-397.
15. Levy, D. I., and C. Deutsch. 1996. Recovery from C-type inactivation is modulated by extracellular potassium. Biophys. J. 70:798-805.
16. Li, M., Y. N. Jan, and L. Y. Jan. 1992. Specification of subunit assembly by the hydrophilic amino-terminal domain of the Shaker potassium channel. Science. 257:1225-1230.
17. Lopez-Barneo, J., T. Hoshi, S. H. Heinemann, and R. W. Aldrich. 1993. Effects of external cations and mutations in the pore region on C-type inactivation of Shaker potassium channels. Receptors Channels. 1:61-71.
18. Mannuzzu, L. M., M. M. Moronne, and E. Y. Isacoff. 1996. Direct physical measure of conformational rearrangement underlying potassium channel gating. Science. 271:213-216.
19. + channel KAT1 depend on the N and C termini. Proc. Natl. Acad. Sci. USA. 94:3448-3453.
20. + channels. Proc. Natl. Acad. Sci. USA. 88:2931-2935.
21. + channel by three amino acid substitutions. Neuron. 16:853-858.
22. Ogielska, E. M., W. N. Zagotta, T. Hoshi, S. H. Heinemann, J. Haab, and R. W. Aldrich. 1995. Cooperative subunit interactions in C-type inactivation of K channels. Biophys. J. 69:2449-2457.
23. + channel. Neuron. 40:1293-1301.
24. + channel. Proc. Natl. Acad. Sci. USA. 89:2466-2470.
25. Pearson, R. B., and B. E. Kemp. 1991. Protein kinase phosphorylation site sequences and consensus specificity motifs: tabulations. Methods Enzymol. 200:62-81.
26. + channels altered by presence of β-subunit. Nature. 369:289-294.
27. Kr potassium channel. Cell. 81: 299-307.
28. Schachtman, D. P., J. I. Schroeder, W. J. Lucas, J. A. Anderson, and R. F. Gaber. 1992. Expression of an inward-rectifiying potassium channel by the Arabidopsis KAT1 cDNA. Science. 258:1654-1658.
29. Schlief, T., R. Schonherr, and S. H. Heinemann. 1996. Modification of C-type inactivating Shaker potassium channels by chloramine-T. Pflügers Arch. 431:483-493.
30. Schönherr, R., and S. H. Heinemann. 1996. Molecular determinants for activation and inactivation of HERG, a human inward rectifier potassium channel. J. Physiol. (Lond.). 493:635-642.
31. + channel. Neuron. 16:1159-1167.
32. Sigworth, F. J. 1993. Voltage gating of ion channels. Q. Rev. Biophys. 27:1-40.
33. Smith, P. L., T. Baukrowitz, and G. Yellen. 1996. The inward rectification mechanism of the HERG cardiac potassum channel. Nature. 379: 833-836.
34. Kr channel. J. Gen. Physiol. 107:611-619.
35. Terlau, H., S. H. Heinemann, W. Stühmer, O. Pongs, and J. Ludwig. 1997. Amino terminal-dependent gating of the potassium channel rat eag is compensated by a mutation in the S4 segment. J. Physiol. (Lond.). 502:537-543.
36. + channel subunits. Biophys. J. 72:1489-1500.
37. Trudeau, M. C., J. W. Warmke, B. Ganetzky, and G. A. Robertson. 1995. HERG, a human inward rectifier in the voltage-gated potassium channel family. Science. 269:92-95.
38. + channel in Xenopus oocytes: analysis of macroscopic currents. Plant J. 7:321-332.
39. Warmke, J. W., and B. Ganetzky. 1994. A family of potassium channel genes related to eag in Drosophila and mammals. Proc. Natl. Acad. Sci. USA. 91:3438-3442.
40. Zagotta, W. N., T. Hoshi, J. Dittman, and R. W. Aldrich. 1994. Shaker potassium channel gating. II. Transitions in the activation pathway. J. Gen. Physiol. 103:279-319.