File name:        pairs.dat

File description: Results of pair analysis of homology-purged database
                  Complete table, 4,000 pairs in alphabetical order

File type:        text file, tab separated
                  1) Pair name
                  2) Number of occurrences of the pair observed in database
                  3) Expected number of occurrences (average)
                  4) Standard deviation of probability distribution
                  5) Statistical significance (p)
                  6) Odds ratio (Observed/Expected occurrences)

Reference:       Senes A., Gerstein M. and Engelman D.M.
                 "Statistical analysis of amino acid patterns in transmembrane
                 helices: the GxxxG motif occurs frequently and in association
                 with beta-branched residues at neighboring positions."
                 J.Mol.Biol. (2000) vol. 296(3), pages 921-936

URLs:            http://engelman.csb.yale.edu/tmstat/
                 http://bioinfo.mbb.yale.edu/tmstat/