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  1. Basic Local Alignment Search Tool - BLAST

    Jul 21, 2025 · The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between sequences. The program compares nucleotide or protein sequences to sequence …

  2. BLAST (biotechnology) - Wikipedia

    BLAST is also often used as part of other algorithms that require approximate sequence matching. BLAST is available on the web on the NCBI website. Different types of BLASTs are …

  3. BLAST: Compare & identify sequences - NCBI Bioinformatics ...

    Oct 25, 2024 · BLAST can be used to infer functional and evolutionary relationships between sequences as well as help identify members of gene families. There are several types of …

  4. Nucleotide BLAST: Search nucleotide databases using a ...

    Important update The ClusteredNR database is now the default Protein BLAST database. Learn more about ClusteredNR

  5. BLAST Highlights

    For example, choose "nucleotide blast" to search a nucleotide database using a nucleotide query. Descriptions of the search types appear to the right of the links.

  6. Frequently Asked Questions — BLASTHelp documentation

    The BLAST programs are command line programs that run BLAST searches against local, downloaded copies of the NCBI BLAST databases, or against custom databases formatted for …

  7. BLAST QuickStart - Comparative Genomics - NCBI Bookshelf

    The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between protein or nucleotide sequences. The program compares nucleotide or protein sequences to …