Biotechnology Informational Sites
Proteins & Enzymes
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[Kyoto University] This database includes information on Cell Cycle Controlling Pathways and Early Development Controlling Pathways.
Cell Signaling Networks Database
[National Institute of Health Sciences, Japan] CSNDB "is a data- and knowledge- base for signaling pathways of human cells. It compiles the information on biological molecules, sequences, structures, functions, and biological reactions which transfer the cellular signals."
SPAD: Signaling PAthway Database
[Kyushu University] An integrated database for genetic information and signal transduction systems.
stke: Signal Transduction Knowledge Environment
[Science journal, Stanford University library] Web resource for biological (cellular) signal transduction, emphasizing articles, news, meetings, and links.