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A variation database at the National Center for Biotechnology Information (NCBI). dbSNP is a public repository of submitted nucleotide variations and is part of NCBI's search and retrieval system Entrez. This unit describes two basic protocols to search dbSNP effectively, one to perform a text-based search and another to perform a sequence-based search. The unit also describes one of the result display formats called GeneView to obtain information about all submitted SNPs in a particular gene.

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dbSNP classification

  • Animals
    • Homo sapiens

dbSNP specifications

Restrictions to use:

dbSNP support


  • dbSNP <>


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National Center for Biotechnology Information, National Institutes of Health, Bethesda, MA, USA

Link to literature

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