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
dbSNP Handbook
FAQ
Factsheet

Submit Data

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

Access Data

Web Search
Organism List
Batch Query
FTP Download

dbSNP Notifications:

As previously announced, (April 19, 2018), dbSNP Entrez currently only house 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 will transition to a new single compact eSummary format. Please contact snp-admin@ncbi.nlm.nih.gov if you have any comments or concerns.