• Your search request did not contain a term.


dbSNP contains human single nucleotide variations, microsatellites, and small-scale insertions and deletions along with publication, population frequency, molecular consequence, and genomic and RefSeq mapping information for both common variations and clinical mutations.

Welcome to dbSNP new homepage!!!


  • NCBI Webinar: New Variation Services for Normalizing, Remapping, and Annotating Variants (Feb 6, 2019 12:00 PM - 12:30 PM EST). Register at GoToWebinar.
  • As previously announced on (April 19, 2018), dbSNP Entrez currently only houses human data. In addition, the Entrez and eUtils report formats RS docsum, XML, ASN.1, FASTA, and FLAT format will no longer be available. dbSNP Entrez eUtils will transition to a new single compact eSummary format, the spec and sample data are here. Please contact snp-admin@ncbi.nlm.nih.gov if you have any comments or concerns.
Support Center