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28 nov 2023 · Follow NCBI. 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
Nucleotide BLAST - BLAST: Basic Local Alignment Search Tool
- Blast
The Basic Local Alignment Search Tool (BLAST) finds regions...
- Protein BLAST
Protein BLAST - BLAST: Basic Local Alignment Search Tool
- Help
Welcome to BLAST Help¶ Getting started¶ Quick start guide....
- Smartblast
Smart Blast searches a protein query against the landmark...
- Human
Human - BLAST: Basic Local Alignment Search Tool
- Microbes
Microbes - BLAST: Basic Local Alignment Search Tool
- Nucleotide BLAST
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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 bioinformatica, BLAST (Basic Local Alignment Search Tool, ovvero strumento di ricerca di allineamento locale) è un algoritmo usato per comparare le informazioni contenute nelle strutture biologiche primarie, come ad esempio le sequenze proteiche o le sequenze nucleotidiche delle molecole di DNA.
Perché usare BLAST? BLAST è fondamentale per capire la relazione di una sequenza query con altre proteine o sequenze di DNA note. I suoi utilizzi comprendono: • individuare ortologhi e paraloghi • scoperta di nuovi geni o proteine • scoperta di varianti di geni o proteine noti • lo studio delle expressed sequence tags (EST)
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.
