Hepatitis B Sequence DatabaseThe International Repository for
Hepatitis B Virus Strain Data
Polymerase Sequence Annotating Tool
This tool annotates the input HBV sequence with the known HBV mutations based on the curated entries in the HepSEQ database. This analysis is intended to facilitate basic research and should not be used solely to infer drug resistance.
Any use of the underlying mutation data may be subject to restrictions. Please contact HepSEQ through the contact page for more information.

Please input your query sequence:
Sample data: Surface/Polymerase genes
Please Note: Sequences analysed using this tool will not be entered into the HepSEQ Database.
However, if you would like to enter this sequence into the database please tick the box below and enter your email address.
Submission to HepSEQ: E-Mail: