Structural and Functional Consequences of an Amide-to-Ester Substitution in the Selectivity Filter of a Potassium Channel.
Valiyaveetil, F.I., Sekedat, M., Mackinnon, R., Muir, T.W.(2006) J.Am.Chem.Soc. 128: 11591-11599
- PubMed: 16939283 
- DOI: 10.1021/ja0631955
- Primary Citation of Related Structures:  
- PubMed Abstract: 
The selectivity filter of K(+) channels comprises four contiguous ion binding sites, S1 through S4. Structural and functional data indicate that the filter contains on average two K(+) ions at any given time and that these ions reside primarily in tw ...