dbSNP

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.

Getting Started

Overview of dbSNP
About Reference SNP (rs)
Factsheet
Entrez Updates

Submission

Clinically Associated Human Variations
All Other Variations
Hold Until Published (HUP) Policies
Submission Search

Access Data

Variation Services API
FTP Download
Tutorials on GitHub

April 2, 2019: Starting next week dbSNP will release the new Entrez updates that will include the latest dbSNP build 152 data for user testing. The updates are listed here.

Notifications:

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.