U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Important Update

In Fall 2024, NCBI plans to redirect the Influenza Virus Resource to NCBI Virus. We are working to replicate the highly-used features from this resource prior to the redirection. Learn more.

Influenza Virus Sequence Annotation Tool

The NCBI Influenza Virus Sequence Annotation Tool is a web application for user-provided sequences. It can predict protein sequences encoded by an input flu nucleotide sequence and produce a feature table that can be used for sequence submission to GenBank. More about the tool...

Select file:
or paste sequences in the box below: