Ensembl Variation

Database Description

The Ensembl Variation database stores two types of variation data, depending it comes from an external source or data it is calculated on site.

• Data imported from external sources (dbSNP, Sanger,...):
  • SNPS, in-dels
  • Locations for variations
  • Alleles
  • Populations
  • Genotypes
• Calculated data:
  • Consequence of variations in transcripts (synonymous, non-synonymous,...)
  • Linkage disequilibrium information
  • Tagged variations
  • Read coverage data

Database Schema

The table layout of the database, with all the tables, fields and relationships, is found in the following pdf:

• Variation Database Schema

Perl API

A comprehensive Perl Application Programme Interface (API) provides efficient access to the Ensembl Variation database.

• Variation API Installation: A step-by-step installation guide for all Perl Ensembl APIs.
• Variation API Documentation: A complete reference to the objects and methods used in the Variation database API.
• Variation Perl API Tutorial: An introduction to the underlying concepts of the Variation database API.

Ensembl Software Support

Ensembl is an open project and we would like to encourage correspondence and discussions on any subject on any aspect of Ensembl. Please see the Ensembl Contacts page for suitable options getting in touch with us.