ENA: Guidelines and Tutorials

Welcome to the guidelines for submission and retrieval for the European Nucleotide Archive. Please use the links below and to the left to find instructions specific to your needs.

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 Annotated Sequences
• How to Submit other Analyses

ENA Data Discovery & Retrieval

• General Guide on ENA Data Retrieval

ENA Data Updates

• Updating Metadata Objects
• Updating Assemblies
• Updating Annotated Sequences

Tips and FAQs

• Tips for Sample Taxonomy
• Common Run Submission Errors
• Common Sample Submission Errors
• Metagenome Submission Queries
• Locus Tag Prefixes
• Data Release Policies