Web Directory by Internet-Web-Directory.com

Joint resource from Alliance for Cellular Signaling, featuring meetings, workshops, primary research papers, reviews, database of molecules and protein data, updated in Durham, NC and editorial office at Nature Publishing Group, London, UK. Full access requires registration.

Phospho-specific Antibodies and other Innovative Discovery Tools for Cell Signaling Research.

A database of plant genes regulated in response to infection or other stresses.

Research in the modulation of synaptic function by hormones and their non-genomic action in the amphibian neuromuscular junction, at the Department of Physiology, UCC, Bayamón, PR.

Resources in the field offered by Science Online. Requires registration, and subscription fee for most content.