The NationalCenter for Biotechnology Information. http://www.ncbi.nlm.nih.gov/
National Center for GenomeResources.http://www.ncgr.org/ncgr/ncgr.html
The Genome DataBase (gdb). http://gdbwww.gdb.org/
Whitehead Institute Center forGenome Research. http://www.broad.mit.edu/
Protein Data Bank.gopher://pdb.pdb.bnl.gov/11/
Searching the PIRDataBase. http://www.bis.med.jhmi.edu/bio/search-sf4/FILT3/pir
Moleculat BiologyVector Sequence Database. http://biology.queensu.ca/~miseners/vector.html
The World Health Organization.http://www.who.int/en/
American Type Culture Collection.http://www.atcc.org/
Bionet.http://www.bio.net/
Yahoo. http://www.yahoo.com/
NDB - Nucleic Acid Databasegopher://ndbgopher.rutgers.edu:17105/11/
NIH Gopher site [url]gopher://helix.nih.gov/11/[/url]
PIR Archive, University of Houston(very experimental) gopher://ftp.bchs.uh.edu/11/
UIUC Gopher Information Service gopher://gopher.uiuc.edu/1/
The NCBI WWW Entrez [url]Browserhttp://ls.zsu.edu.cn/entrez/entrez.htm[/url]