PhosphoPep

Enables interactive interrogation of mass spectrometry (MS)-derived phosphorylation data from four different organisms. PhosphoPep is a database that aims to support systems biology signaling research. It allows analysis of single phosphoproteins, the detection of quantitative changes in the state of phosphorylation of whole signaling pathways at different cellular states and the investigations into the evolution of signaling networks from yeast, worm, fly to human.