http://www.gpcr.org/7tm/ - A very useful site for gpcr -- comprehensive database of all GPCR
www.uniprot.org - how G proteins work...
https://www.jacksonimmuno.com/ - Excellent Secondaries from Jackson
http://www.sigmaaldrich.com/yfg - Antibodies from sigma-aldrich
PEPTIDES: We use Selleck - they are consistently excellent and commonly much cheaper than competitors.
Monoclonal Antibodies: We use the MATF in Melbourne and supply the antibodies that we have characterised.
ANTIBODY SITE: www.antibodyresource.com/home
parts registry - free stuff for molecular biologists
Neuropeptide Gene Families: http://www.neuropeptides.nl/tabel%20neuropeptides%20linked.htm
Pathway Maps: http://lsresearch.thomsonreuters.com/maps/