Comment on

• Energetic optimization of ion conduction rate by the K+ selectivity filter.

  Morais-Cabral JH, Zhou Y, MacKinnon R. Morais-Cabral JH, et al. Nature. 2001 Nov 1;414(6859):37-42. doi: 10.1038/35102000. Nature. 2001. PMID: 11689935
• Chemistry of ion coordination and hydration revealed by a K+ channel-Fab complex at 2.0 A resolution.

  Zhou Y, Morais-Cabral JH, Kaufman A, MacKinnon R. Zhou Y, et al. Nature. 2001 Nov 1;414(6859):43-8. doi: 10.1038/35102009. Nature. 2001. PMID: 11689936
• Energetics of ion conduction through the K+ channel.

  Bernèche S, Roux B. Bernèche S, et al. Nature. 2001 Nov 1;414(6859):73-7. doi: 10.1038/35102067. Nature. 2001. PMID: 11689945