Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0006-291X(98)98822-2
free resource GlyGen glycoinformatics resource https://glygen.org/publication/PubMed/9642150/
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/CPTAC-1785
PhosphoSitePlus® - comprehensive post-translational modification resource free resource PhosphoSitePlus https://www.phosphosite.org/referenceSearchSubmitAction.action?from=0&queryId=-1&pubMedIds=9642150