Additional file 2.The "guide" tree used to direct the profile alignments across green plants (Viridiplantae). Similar to Fig S1, each terminal in the tree represents a separate alignment file output from our saturation analysis. Due to the large uncertainty at several nodes, members of a polytomy were profile aligned to find the best order. Format: PDF Size: 14KB Download file This file can be viewed with: Adobe Acrobat Reader Smith et al. BMC Evolutionary Biology 2009 9:37 doi:10.1186/1471-2148-9-37 |