Table 1.

Statistics of our heterogeneous network

	Human	Mouse	Yeast	Fruit fly	Worm
#proteins	16,544	16,649	6,307	11,261	13,469
#co-expression edges	1,319,562	1,406,572	628,014	2,466,234	2,774,840
#co-occurrence edges	28,334	29,472	5,328	17,962	14,678
#database edges	275,860	347,406	66,972	116,748	69,948
#experimental edges	492,548	672,326	439,956	380,046	298,684
#fusion edges	2,678	3,994	2,722	4,026	4,336
#neighborhood edges	78,440	77,962	91,220	69,934	49,890
#human homology edges	0	525,221	55,884	202,993	159,481
#mouse homology edges	525,221	0	52,916	188,729	151,408
#yeast homology edges	55,884	52,916	0	26,950	28,269
#fruit fly homology edges	202,993	188,729	26,950	0	75,831
#worm homology edges	159,481	151,408	28,269	75,831	0
#annotations	77,950	66,238	28,668	32,259	21,655