Table 2. The topological parameters of the constructed PPI network .

Topology parameters	Amount
Number of nodes	57
Network density	0.242
Network heterogeneity	0.636
Isolated nodes	0
Number of self-loops	0
Multi-edge node pairs	0
Clustering coefficient	0.635
Connected components	1
Network diameter	4
Network radius	2
Network centralization	0.470
Shortest paths	3192
Average number of neighbors	13.579
Characteristic path length	2.053