Electrostatics of the KcsA Channel
Continuum electrostatics calculations based on the finite-difference Poisson-Boltzman equation are used to show that the cavity and
the pore helices of the KcsA channel are "tuned" to be preferably occupied by a monovalent cation.
B. ROUX and R. MacKinnon, "The cavity and pores helices in the KcsA K+ channel: electrostatic
stabilization of monovalent cations",
Science 285, 100-102 (1999).
Perspective by Bojan Zagrovic and Richard Aldrich
"For the Latest Information, Tune to Channel KcsA"