Name	Info	Provider	Link
	free resource	BindingDB	http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_pubmed.jsp?pubmed_submit=Search&pubmed=20843690
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0960-894X(10)01223-0