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miRBase 21 is coming ….

The release of miRBase 21 has taken much longer than we would have liked, but it’s nearly there now. We anticipate making the data available within the next week. Because of the time since the last release, it’s another hefty update, with over 4000 new hairpin sequences, and over 5000 new mature sequences. The new sequences mostly represent organisms that previously had few or no microRNA annotations. More soon ….

Posted in releases.


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  1. Prasad says

    Excited to see the 21st release.
    A quick question..is the new release based on GRCh38 or GRCh37?



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