Table 2.

Topological characteristics of the PPINs.

Network	Nodes	Edges	Highest Degree	Highest BC	Correlation	R 2	Deg exp	Clustering coefficient of real networks	Clustering coefficient of randomized networks
EF-PPIN	995	8129	83	1	0.665	0.758	−1.142	0.459	0.096
SA-PPIN	2038	9125	105	1	0.748	0.838	−1.500	0.411	0.043
KP-PPIN	1299	8466	95	0.666	0.665	0.808	−1.296	0.481	0.064
PA-PPIN	2289	14,970	105	1	0.789	0.887	−1.477	0.422	0.027
MT-PPIN	2875	16,787	209	1	0.829	0.907	−1.428	0.345	0.034
CS-PPIN	715	9887	123	0.064	0.397	0.643	−0.879	0.571	0.161