Figure 4From: The protein-protein interaction network of eyestalk, Y-organ and hepatopancreas in Chinese mitten crab Eriocheir sinensis Evolutionary origin of protein interactions in seven signaling pathways in study. Protein interactions in the seven signaling pathways in study were divided into “Evo-groups” according to the origins of the corresponding components. A blank in the right side represents that there are no protein originating in this evo-group. For each pathway, the proportion of interactions in each evolution stage to all the interactions in this pathway is shown in different shades of green. A darker green colour stands for a larger proportion.Back to article page