Cl. Murray et al., The central 'relay' unit in hydraphile channels as a model for the water-and-ion 'capsule' of channel proteins, CHEM COMMUN, (23), 2000, pp. 2371-2372
The central relay of hydraphile channels is a model for the central ion-cap
sule of the KcsA K1 K+-conducting channel of Streptomyces lividans; organiz
ation of water and concomitant electrostatic stabilization of a transient K
+ appear to be the functions in both cases.