Additional file 1.Contains two tables with all the data used in this study (Table 1) and a list of the clusters' average properties according to structural similarity (Table 2). Format: PDF Size: 52KB Download file This file can be viewed with: Adobe Acrobat Reader Steffen and Apostolakis Chemistry Central Journal 2007 1:29 doi:10.1186/1752-153X-1-29 |