Fig. 4From: Identification of putative drug targets for human sperm-egg interaction defect using protein network approachColor Filtered Sperm-Egg Interaction Network by Degree from 1–33. The degree tells us how many links a node has to other nodes. The high degree nodes as hub nodes play important roles in the survival of correlations within a biological network. If the hub nodes are attacked in a network, the network can be broken into piecesBack to article page