Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0014-4835(99)90789-3
free resource Mouse Genome Informatics (MGI) http://www.informatics.jax.org/reference/10712821
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/CPTAC-95