Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0014579303013711
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/14706829/
	free resource	Mouse Genome Informatics (MGI)	http://www.informatics.jax.org/reference/14706829
	free resource	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0014-5793&date=2004&volume=556&issue=1-3&spage=75