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.

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AACompSim
Compare amino acid composition of a UniProtKB entry with UniProtKB entries
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Compute pI/MW
Compute isoelectric point and molecular weight from protein sequence
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FindPept
Identify peptides resulting from unspecific protein cleavage from their experimental masses
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FindMod
Predict potential protein post-translational modifications and find potential single amino acid substitutions in peptides.
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GlycanMass
Calculate the mass of an oligosaccharide structure.
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Latest News

Protein Spotlight: On mar and motion - 2018-11-23

Movement is what sustains life. Organisms need to move to find food, seek shelter and to reproduce. Mobility is also essential inside organisms where cells are continuously dividing and migrating... More.

UniProt Knowledgebase release 2018_10 - 2018-11-07

Release notes
558,681 UniProtKB/Swiss-Prot entries (More..)
133,507,323 UniProtKB/TrEMBL entries (More..)

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