Institut de Génétique et Microbiologie

CRISPRfinder program online

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Université Paris Sud



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Data Summary

Genomes analysed CRISPRs found (*)
Archea 232 870(202)
Bacteria 6782 8069(3059)
Total 7014 8939(3261)

*number of convincing CRISPR structures (number of genomes with such CRISPR)

Database status:
Last update : 2017-05-09

Christine POURCEL

Welcome to the CRISPRs web service. This page enables the easy detection of CRISPRs in user-submitted sequence data (allows sequences up to 67,000,000 bp).

---> Please note that CRISPRCasFinder (an update of CRISPRFinder) is available at the following link: CRISPRCasFinder

Input format :

Your data must be a DNA sequence (or many DNA sequences) in FASTA format.
Download sample1 Aquifex VF5 or sample2 P. aeruginosa PA14 or samples YP1 Yersinia

Page manual

Submit your Own data

Enter sequence (DNA) below using copy and paste:

Or upload a local file:

Advanced version