EMBL WWW server
http://www.embl-heidellberg.de/services/index.html
GenBank database query
http://ncbi.nlm.nih.gov/genbank/query_form.html
PDB protein structure database
http://www.rcsb.org
European Biological Information Research Center (EBI)
http://www.ebi.ac.uk/
SWISS-PROT (Protein Sequence Book)
http://www.expasy.ch/sprot-top.html
Prosite (protein function point)
Http://expasy.hcuge.ch/sprot/prosite.html
PIR International Protein Sequence Database
http://www.gdb.org/dan/proteins/pir.html
SCOP (protein structure classification), MRC
http://scop.mrc-lmb.cam.ac.uk/scop/data/scop.1.html
Los Alamos HIV Sequence Database
Http://hiv-web.lanl.gov/
NCBI WWW Entrez http://www.ncbi.nlm.nih.gov/entrez/index.html