Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0306-4522(99)00175-X
free resource GlyGen glycoinformatics resource https://glygen.org/publication/PubMed/10473283/
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/non-CPTAC-3768