Help & Documentation

Using this website

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

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Annotation & Prediction

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

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Data access

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

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API & Software

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

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About us

Ensembl is a project to develop a software system which produces and maintains automatic annotation on selected eukaryotic genomes.

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<p>On the 9th July tools (eg BLAST, VEP, etc) will be unavailable on this site for about 90 minutes starting at 1200 (UTC). This is needed for us to carry out essential maintenance. All other aspects of the site will be unnaffected. We apologise for any inconvenience this may cause.</p>