Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0022-2836(21)00631-8
	free resource	GlyGen glycoinformatics resource	https://glygen.org/publication/PubMed/34896113/
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34896113/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34896113
	free resource	Bio-protocol Exchange	https://bio-protocol.org/e2193