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Nov 28, 2023 · The Basic Local Alignment Search Tool (BLAST) finds regions of local similarity between sequences. The program compares nucleotide or protein sequences to sequence databases and calculates the statistical significance of matches.
- Nucleotide Blast
Select the sequence database to run searches against. No...
- Tblastn
Tblastn - Basic Local Alignment Search Tool - BLAST
- Blast
Blast - Basic Local Alignment Search Tool - BLAST
- Blastx
Blastx - Basic Local Alignment Search Tool - BLAST
- Global Alignment
Local alignments algorithms (such as BLAST) are most often...
- Frequently Asked Questions
Blast accepts sequences in FASTA format either with a...
- Smartblast
Smart Blast searches a protein query against the landmark...
- National Center for Biotechnology Information
The .gov means it's official. Federal government websites...
- Nucleotide Blast
Select the sequence database to run searches against. No BLAST database contains all the sequences at NCBI. BLAST databases are organized by informational content (nr, RefSeq, etc.) or by sequencing technique (WGS, EST, etc.). more...
In bioinformatics, BLAST (basic local alignment search tool) is an algorithm and program for comparing primary biological sequence information, such as the amino-acid sequences of proteins or the nucleotides of DNA and/or RNA sequences.
Mar 17, 2014 · Learn how to use blastn, a tool for comparing nucleotide sequences (DNA and RNA), with this interactive text and activity. Find out how to interpret the E value and alignment scores, and explore the kingdom of life with unknown sequences.
BLAST is a computer algorithm that can rapidly align and compare a query DNA sequence with a database of sequences. Learn how BLAST works, its applications in genomic research, and its history and development.
Local alignments algorithms (such as BLAST) are most often used. A global alignment should only be used on sequences that share significant similarity over most of their extents, and then it will sometimes return a better presentation.
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 sequence in a database and calculates the statistical significance of the matches.
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