#CPATH2: Pathway Commons version 4 2 Jan 2014
#Columns:	ID	DESCRIPTION	TYPE	HOMEPAGE	PATHWAYS	INTERACTIONS	PHYS.ENTITIES
http://purl.org/pc2/4/chebi	ChEBI Complete SDF 02-Sep-2013	WAREHOUSE	http://www.ebi.ac.uk/chebi/			
http://purl.org/pc2/4/uniprot_sprot_human	UniProtKB/Swiss-Prot human 18-Sep-2013	WAREHOUSE	http://www.uniprot.org			
http://purl.org/pc2/4/reactome46_human	Reactome v46 (using only 'Homo sapiens.owl') 23-SEP-2013	BIOPAX	http://www.reactome.org	1487	10110	26639
http://purl.org/pc2/4/pid	NCI_Nature Curated Human Pathways from PID; 16-Aug-2012 (XML errors fixed)	BIOPAX	http://pid.nci.nih.gov/	2074	28596	26201
http://purl.org/pc2/4/psp	PhosphoSite Kinase-substrate information; 16-Sep-2013	BIOPAX	http://www.phosphosite.org	0	23312	13106
http://purl.org/pc2/4/humancyc17_1	HumanCyc 17.1; 11-JUN-2013	BIOPAX	http://www.humancyc.org	261	6645	5105
http://purl.org/pc2/4/hprd9	HPRD PSI-MI Release 9; 13-Apr-2010	PSI_MI	http://www.hprd.org	0	40618	9871
http://purl.org/pc2/4/panther	PANTHER Pathways 3.2.1, 05-Jun-2013	BIOPAX	http://www.pantherdb.org	297	5299	8640