Additional file 1.

One additional file containing three tables, numbered 5 to 7 and three figures, numbered 9 to 11.

Format: DOC Size: 2.6MB Download file

This file can be viewed with: Microsoft Word Viewer

Dasgupta and Chakrabarti BMC Structural Biology 2008 8:39   doi:10.1186/1472-6807-8-39