Regulation of K+ flow by a ring of negative charges in the outer pore of BKCa channels. Part I: Aspartate 292 modulates K+ conduction by external surface charge effect.
Haug T, Sigg D, Ciani S, Toro L, Stefani E, Olcese R.
Haug T, et al. Among authors: toro l.
J Gen Physiol. 2004 Aug;124(2):173-84. doi: 10.1085/jgp.200308949.
J Gen Physiol. 2004.
PMID: 15277578
Free PMC article.
The pore region of the majority of K+ channels contains the highly conserved GYGD sequence, known as the K+ channel signature sequence, where the GYG is critical for K+ selectivity (Heginbotham, L., T. Abramson, and R. MacKinnon. 1992. Science. 258:1152-1155). Exchanging t …
The pore region of the majority of K+ channels contains the highly conserved GYGD sequence, known as the K+ channel signature sequence, wher …