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Metalog is a repository of manually annotated metadata (or contextual data) for metagenomic sequencing data from across the globe. It is created by the Bork Group at EMBL Heidelberg. This database is made available under the Open Database License. This means that you can build upon this database, but have to attribute this website and share-alike according to the terms of the license. Any rights in individual contents of the database are licensed under the Database Contents License. Usage of this site follows EMBL's Privacy Policy. In accordance with that policy, we use Matomo to collect anonymized data on visits to, downloads from, and searches of this site. Contact: bork@embl.de. Last metadata update: 2025-11-14.