Figure 2.
Maximum likelihood tree of Mre11/Rad50 homologs. (a) A phylogenetic tree for the fused version of Mre11/Rad50 homologs including the Mimivirus R555 homologs from the GOS data. (b) A phylogenetic tree including non-fused versions of Mre11/Rad50 (and SbcD/SbcC) homologs. The trees are midpoint. Bootstrap values below 50% are not shown. Database entries for sequences are show in additional file 2.