How BLAST Works & Using Web BLAST Effectively!

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How BLAST Works & Using Web BLAST Effectively!

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This workshop concluded on October 18, 2022. Workshop materials are available here.

NCBI’s BLAST is one of the most widely used bioinformatics tool in the world.  It was designed to use a nucleotide or protein sequence to search and quickly find similar sequences in very large databases.  While originally designed for studying evolutionary relationships, BLAST is now often used for identification of:  the gene name and/or source organism of the sequence, related sequences from other organisms (homologs), as well as the location of a sequence within a larger reference sequence, such as a chromosome or genome.

This workshop is suitable both for beginner Web BLAST users and those who would like an update and some tips and tricks to enhance their ability to use this powerful bioinformatics tool. The topics we cover in this hands-on Web BLAST workshop come directly from feedback and questions we’ve received from people like you.

In this workshop, you’ll learn how to:

  • Adjust search settings to avoid errors and reduce search times
  • Choose the best database
  • Try out the new clustered nr database
  • Customize and download the search results
  • Display your BLAST results in an interactive sequence viewer

This workshop was designed for an overview of some basic BLAST tasks.  If you would like to learn more about Primer-BLAST, take a look here

Go back to NCBI Outreach Events: Workshops, Webinars, and Codeathons 

Event registration closed.

Date And Time

2022-10-18 @ 01:00 PM (EDT) to
2022-10-18 @ 03:00 PM (EDT)

Registration End Date



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