Addresses to some useful biological databanks and tools:

General DNA and protein search tools:

• SRS
• NCBI
  
• Entrez
  
• GenBank
  
• BLAST
  
• LocusLink
  
• OMIM
  
• Genes and disease
  
• ExPASy

Translations of DNA to protein:

• Translate
  
• Protein Machine
  
• Translator

Metabolism pathways:

• KEGG
• Boehringer
  
• Enzyme structure

Protein domains, families and structures:

• Pfam (help)
  
• PROSITE (user manual)
  
• BLOCKS
  
• Protein Data Bank
  
• RasMol
  
• Tertiary predictions
  
• Secondary structure
  
• Secondary structure predictions
  
• Protein Explorer
  

Phylogenetic trees:

• ClustalW download
  
• ClustalW on line
  
• Tree
  
• Paper on ClustalW