ExPASy is the SIB Bioinformatics Resource Portal which provides access to scientific databases and software tools (i.e., resources) in different areas of life sciences including proteomics, genomics, phylogeny, systems biology, population genetics, transcriptomics etc. (see Categories in the left menu). On this portal you find resources from many different SIB groups as well as external institutions.

Featuring today

FindPept
Identify peptides resulting from unspecific protein cleavage from their experimental masses
[details]
FindMod
Predict potential protein post-translational modifications and find potential single amino acid substitutions in peptides.
[details]
GlycanMass
Calculate the mass of an oligosaccharide structure.
[details]
GlycoMod
Predict possible oligosaccharide structures that occur on proteins from their experimentally determined masses.
[details]
HAMAP-Scan
Scan protein sequences against the HAMAP families.
[details]

How to use this portal?

Features and updates
New to ExPASy
Experienced ExPASy users: what is different

Popular resources

Latest News

UniProt Knowledgebase release 2014_07 - 2014-07-09

Release notes
546,000 UniProtKB/Swiss-Prot entries (More.)
79,824,243 UniProtKB/TrEMBL entries (More).

Protein Spotlight: the senses confused - 2014-06-23

Life is made of smells. Because smells play an important part in an organism's ordinary day to day life - it's a question of survival...More.

[More news] [SIB news]