Statistics

Table 1. Network analysis for protein-protein interactions of PSIMAP, iPfam, interDom, and STRING.

¡¡	node	edge	self edge	subgraph	average degree
PSIMAP	1028	12748	1133	109	22.6
iPfam	1541	13448	1446	178	17.99
interDom	1760	80319	1336	14	92.59
STRING	2658	26805	0	39	20.17

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Table 2. Overlap relationship for protein-protein interactions among PSIMAP, iPfam, interDom, and STRING.

¡¡	PSIMAP		iPfam		interDom		STRING
	percent	interaction	percent	interaction	percent	interaction	percent	interaction
PSIMAP	¡¡	¡¡	29.77%	3795	31.35%	3996	15.33%	1954
iPfam	28.22%	3795	¡¡	¡¡	80.29%	10798	7.44%	1001
interDom	4.98%	3996	13.44%	10798	¡¡	¡¡	2.10%	1687
STRING	7.29%	1954	3.73%	1001	6.29%	1687	¡¡	¡¡