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: stefani e.
J Gen Physiol. 2004 Aug;124(2):173-84. doi: 10.1085/jgp.200308949.
J Gen Physiol. 2004.
PMID: 15277578
Free PMC article.
Exchanging the aspartate residue with asparagine in this sequence abolishes ionic conductance of the Shaker K+ channel (D447N) (Hurst, R.S., L. Toro, and E. Stefani. 1996. FEBS Lett. 388:59-65). In contrast, we found that the corresponding mutation (D292N) in the po …
Exchanging the aspartate residue with asparagine in this sequence abolishes ionic conductance of the Shaker K+ channel (D447N) (Hurst, R.S., …