Basic Local Alignment Search Tool(BLAST) at NCBI
Blast Database Searches at EBI
NCBI BLAST Search with Entrez and SRS Links
Advanced BLAST2 Search with post-processing at EMBL
BLITZ ultra-fast protein databases searches
Sequence Interpretation Tools(GenomeNet WWW server- Japan)
ClustalW Multiple Sequence Alignment
Protein Hydrophilicity/Hydrophobicity Search and Comparison Server
AbCheck - Antibody Sequence tester
Codon Usage Tabulated from Genbank
GeneFIND Family Identification System(University of Texas Health Center at Tyler)
TRANSFAC (-database sequence analysis tools)
The CMS Molecular Biology Resource
Computing applied to Biomolecules and Genomes , France