- Eukaryotic protein kinase and protein phosphatase database
- Signalling databases: STKE from Science, and the AfCS/Nature-affiliated Signaling Gateway.
- Prediction of phosphorylation sites: NetPhos and Scansite, and a comprehensive database of mammalian protein phosphorylation sites at PhosphoSite.
- DEPOD - the human DEPhOsphorylation Database.
- Kinase.com - Genomics, evolution and function of protein kinases.