ENA: Guidelines and Tutorials

Welcome to the guidelines for submission and retrieval for the European Nucleotide Archive. Please use the links to find instructions specific to your needs. If you’re completely new to ENA, you can see an introductory webinar at the bottom of the page.

ENA Data Submission

• General Guide on ENA Data Submission
• How to Register a Study
• How to Register Samples
• Preparing Files for Submission
• How to Submit Raw Reads
• How to Submit Assemblies
• How to Submit Targeted Sequences
• How to Submit Other Analyses

ENA Data Discovery & Retrieval

• General Guide on ENA Data Retrieval
• How to Explore an ENA Project
• How to Download Data Files
• How To Perform An Advanced Search
• How to Access ENA Programmatically

ENA Data Updates

• Updating Metadata Objects
• Updating Assemblies
• Updating Annotated Sequences

Tips and FAQs

• Data Release Policies
• Common Run Submission Errors
• Common Sample Submission Errors
• Tips for Sample Taxonomy
• Requesting New Taxon IDs
• Metagenome Submission Queries
• Locus Tag Prefixes
• Archive Generated FASTQ Files
• Third Party Tools

Introductory Webinar