Hello,
Work from Sansom's lab may be of interest to you.
Here is a good review
C. E. Capener, H. J. Kim, Y. Arinaminpathy, and M. S.P. Sansom
Ion channels: structural bioinformatics and modelling
Hum. Mol. Genet., October 1, 2002; 11(20): 2425 - 2433.
Regards,