HA Sequence Identity Tool

The HA sequence identity tool uses BLAST to find similair hemagglutinin sequences in the ISU VDL data. Results are limited to greater than 96% identity, with at max 100 results returned. For a more complex analysis, please refer to the IRD BLAST tool.

Sequence type
amino acid

Please wait, BLAST in progress...


  1. Altschul, S. F., Gish, W., Miller, W., Myers, E. W., & Lipman, D. J. (1990). Basic local alignment search tool. Journal of molecular biology, 215(3), 403-410.
  2. Zhang, Z., Schwartz, S., Wagner, L., & Miller, W. (2000). A greedy algorithm for aligning DNA sequences. Journal of Computational biology, 7(1-2), 203-214.
  3. Chang, J., Anderson, T. K., Zeller, M. A., Gauger, P. C., & Vincent, A. L. (2019). octoFLU: Automated Classification for the Evolutionary Origin of Influenza A Virus Gene Sequences Detected in US Swine. Microbiology resource announcements, 8(32), e00673-19. Github repo.