Database

URL

Feature

Swiss-Prot/TrEMBL [46,47]

http://www.expasy.org/sprot/ 

Description of the function of a protein, its domains structure, post-translational modifications etc,

UniProt [48]   

http://www.pir.uniprot.org/ 

Central repository for PIR, Swiss-Prot, and TrEMBL

PIR

http://pir.georgetown.edu/

It strives to be comprehensive, well-organized, accurate, and consistently annotated.

Pfam   

pfam.sanger.ac.uk/   

Database of protein families defined as domains [49]

PROSITE

www.expasy.ch/prosite/

Database of protein families and domains