Name	Info	Provider	Link
	subscription/membership/fee required	Atypon	https://journals.asm.org/doi/10.1128/AAC.00749-06?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub 0pubmed
	free resource	BindingDB	http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_pubmed.jsp?pubmed_submit=Search&pubmed=17116672
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/17116672/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/17116672