WEE1 and cancer: In contrast to the aforementioned published database tools, which are composed of single type of information, such as protein-protein interaction data or phosphorylation site data, CrossCheck serves as a centralized database and allows rapid analysis across several different types of functional data, such as phenotypic data from genome-wide RNAi/knockout screens, interaction data, protein kinase motif prediction data, gene mutation in cancer data, pathway representation data, and subcellular localization data.