Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Main components of the XHM system. One or several query sequences (or identifiers) are entered, a BLAST search is performed, the resulting hits are filtered based on length and similarity, and the results are displayed. The dashed arrow symbolizes the possibility to use a sequence id whose hits to the database have been stored.
