Figure 6 - full size

 

Figure 6.
Figure 6. Evolutionary Relationships of the IgSF Constant-like DomainsThe parts of the lineage colored blue are proposed to have generated cell adhesion and cell–cell recognition molecules, whereas the red section produced components of the adaptive immune response. CD2 is used to represent the C2/I-set.

The above figure is reprinted by permission from Cell Press: Immunity (2000, 12, 51-60) copyright 2000.