Ensembl Trace Server

 
 
                

Ensembl Trace Server

The Ensembl trace repository provides a permanent archive for single-pass DNA sequencing reads and associated traces and quality values. These data come from whole-genome shotgun projects, EST projects, and other large-scale sequencing projects. Data is regularly exchanged with the NCBI trace archive.

Current services include the ability to examine individual reads by name, to search the whole archive or subsets of the archive with another DNA sequence using SSAHA (a fast sequence search) and to download sets of read sequences in fasta format and associated quality values by FTP.

Requests for large data sets of complete trace information to be sent by tape should be made to trace-request@ensembl.org



Trace Totals

The trace repository currently contains 1,931,995,424 traces from 1550 species. [trace statistics]

Use the search boxes to retrieve a count of traces summarised by species (e.g. Mus musculus), trace sequencing centre (e.g. SC), or trace type (e.g. WGS). Search terms can contain wildcards (e.g. Mus.*).



Weekly Additions

In the week ending 03-Dec-09 260,879 traces from 68 species were added to the repository.

The 10 species with the most traces added this week are:

Sus scrofa 85,054
Homo sapiens 45,580
Macaca mulatta 14,208
Callithrix jacchus 11,786
Mus musculus 10,536
Blastomyces dermatitidis 10,000
Vibrio cholerae C0603 8,607
Vibrio cholerae 6337 8,597
Heliconius melpomene 7,592
Gorilla gorilla gorilla 6,469


Data Release Policy

No restrictions are imposed on access to, or use of, the data provided. See Wellcome Trust and NHGRI statements in full.

The WTSI provide these data in good faith, but make no warranty, express or implied, nor assume any legal liability or responsibility for any purpose for which they are used.



Trace Submissions

To submit traces to this repository, please e-mail trace-submission@ensembl.org to make logistical arrangements. For submissions, please follow the exchange method described at: http://www.ncbi.nlm.nih.gov/Traces/trace.cgi?cmd=show&f=rfc_b&m=doc&s=rfc_b