BLAST

Publication Details

  • Subscription Type FREE
  • Publisher NCBI National Center for Biotechnology Information. National Library of Medicine. National Institutes of Health
  • Help Guide Access help online
  • Resource Types Statistics and Data
  • Description 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 can be used to infer functional and evolutionary relationships between sequences as well as help identify members of gene families. Entrez is the integrated, text-based search and retrieval system used at NCBI for the major databases, including PubMed, Nucleotide and Protein Sequences, Protein Structures, Complete Genomes, Taxonomy, and others.