Dear Bert, You could try the program Hole from http://www.ncbi.nlm.nih.gov/pubmed/9195488
J Mol Graph. <http://www.ncbi.nlm.nih.gov/pubmed/9195488> 1996 Dec;14(6):354-60, 376. HOLE: a program for the analysis of the pore dimensions of ion channel structural models. Smart OS<http://www.ncbi.nlm.nih.gov/pubmed?term=%22Smart%20OS%22%5BAuthor%5D> , Neduvelil JG<http://www.ncbi.nlm.nih.gov/pubmed?term=%22Neduvelil%20JG%22%5BAuthor%5D> , Wang X<http://www.ncbi.nlm.nih.gov/pubmed?term=%22Wang%20X%22%5BAuthor%5D> , Wallace BA<http://www.ncbi.nlm.nih.gov/pubmed?term=%22Wallace%20BA%22%5BAuthor%5D> , Sansom MS<http://www.ncbi.nlm.nih.gov/pubmed?term=%22Sansom%20MS%22%5BAuthor%5D> . -Partha On Wed, Mar 23, 2011 at 9:02 AM, Van Den Berg, Bert < lambertus.vandenb...@umassmed.edu> wrote: > Hello all, > > Does anyone know how to get values for pore sizes of membrane channels? I’m > not interested in A x B angstrom values measured between atom centers and > assuming a regular pore shape, but a “real-life” value of either surface > area at the narrowest point or the volume of a block centered on the > narrowest point of the pore. > > Thanks, Bert >
