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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.
- Blast
Select the sequence database to run searches against. No...
- Protein Blast
PSI-BLAST allows the user to build a PSSM (position-specific...
- Blastx
PSI-BLAST allows the user to build a PSSM (position-specific...
- Saved Strategies
Save search parameters by: clicking a 'save' link on the...
- Blast FAQ
To search only sequences for an organism or taxonomic group,...
- Recent Results
This page provides links to your unexpired BLAST jobs. Enter...
- Blast Download Page
The NCBI provides a suite of command-line tools to run BLAST...
- Blast
T-Coffee is a multiple sequence alignment program. The main characteristic of T-Coffee is that it will allow you to combine results obtained with several alignment methods. Important note: This tool can align up to 500 sequences or a maximum file size of 1 MB.
High performance standalone BLAST search using automatically detected available multi cores on your PC. Easy database download from NCBI ftp server to your PC. Easy database creation from your FASTA file.
You can start Blast search in less than five minutes with the intuitive manner of operation, amazing easy-to-use interface, and useful extra functions including summary table exporting in CSV format and hit sequence exporting in FASTA format.
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...
BlastStation-Local64 provides 64-bit NCBI Blast+ or 64-bit local NCBI Blast search capability up to twice as fast as 32-bit NCBI Blast+ and NCBI Blast. You can use databases available from the NCBI ftp server and/or create databases from your FASTA files.
The following list of Coffee Breaks is organized according to the NCBI bioinformatics resource featured in the tutorial that accompanies the story. BLAST (Basic Local Alignment Search Tool) A gut feeling:
