Table 1.

Statistics of biological networks

	Protein-protein interaction network (PIN)	Functional association network (FAN)
Data source(s)	Integration from DIP, BOND, IntAct, MINT, MIPS, HPRD, BioGRID, Reactome, and pathway commons	STRING v8.2
Network type	Unweighted	Weighted
# genes	12,164	16,648
# interactions	140,382	1,217,908
# disease families	344	509
# disease-gene associations	1,993	2,616
# disease genes	1,640	1,909