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blast.ncbi.nlm.nih.gov /Blast.cgi In bioinformatics , BLAST ( basic local alignment search tool ) [ 3 ] 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.
Highly parallel Scalable BLAST: Both: Oehmen et al. [14] 2011 Sequilab Linking and profiling sequence alignment data from NCBI-BLAST results with major sequence analysis servers/services: Nucleotide, peptide: 2010 SAM Local and global search with profile Hidden Markov models, more sensitive than PSI-BLAST: Both: Karplus K, Krogh A [15] 1999 SSEARCH
The NCBI assigns a unique identifier (taxonomy ID number) to each species of organism. [5] The NCBI has software tools that are available through web browsers or by FTP. For example, BLAST is a sequence similarity searching program. BLAST can do sequence comparisons against the GenBank DNA database in less than 15 seconds.
Most BLAST implementations use a fixed default word length that is optimized for the query and database type, and that is changed only under special circumstances, such as when searching with repetitive or very short query sequences. Implementations can be found via a number of web portals, such as EMBL FASTA and NCBI BLAST.
www.ncbi.nlm.nih.gov /BLAST /fasta.shtml In bioinformatics and biochemistry , the FASTA format is a text-based format for representing either nucleotide sequences or amino acid (protein) sequences, in which nucleotides or amino acids are represented using single-letter codes.
The International Nucleotide Sequence Database Collaboration (INSDC) consists of a joint effort to collect and disseminate databases containing DNA and RNA sequences. [1] It involves the following computerized databases: NIG's DNA Data Bank of Japan (), NCBI's GenBank and the EMBL-EBI's European Nucleotide Archive ().
WU-BLAST with XDF was the first BLAST suite to support indexed-retrieval of NCBI standard FASTA-format sequence identifiers (including the entire range of NCBI identifiers); the first to allow retrieval of individual sequences in part or in whole, natively, translated or reverse-complemented; and the first able to dump the entire contents of a ...
formatdb is a discontinued software tool that was used in molecular bioinformatics to format protein or nucleotide databases for BLAST.It has been replaced by makeblastdb and the NCBI "strongly encourage[s]" [1] users to stop using formatdb.