Help & Documentation

Using this website

Our website offers lots of ways to view and interact with our genomic data - find out more!

• Adding custom tracks
• Tutorials
• Glossary
• FAQs (Frequently Asked Questions)

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Annotation & Prediction

The Ensembl project produces genome databases for vertebrates and other eukaryotic species, and makes this information freely available online.

• Ensembl annotation
• Variation data
• Regulatory build

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Data access

All of our data is open-access and can be downloaded free of charge (disclaimer). Ways to access this data include:

• Export features or sequence directly from web pages
• Extract data from our public database using Perl scripts
• Data-mining using the BioMart tool
• FTP download of complete datasets
• Access data from our REST server using any Programming language

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API & Software

Ensembl releases all its software under an Apache-style open source licence. Our products include:

• Perl API for direct data access
• REST server for language agnostic access
• Virtual machine preloaded with API
• Variant Effect Predictor (VEP) and other command-line scripts
• eHive distributed processing system
• Web frontend (Apache with mod_perl) for mirroring this website

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Additional software packages, including external contributions, are listed in our Ensembl e!code directory.