Ensembl Chimpanzee

 

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About the Chimp genome

Assembly

chimpanzeeThis site provides a data set based on the March 2006 Pan_troglodytes-2.1 6x shotgun assembly from the Chimpanzee Sequencing Consortium headed by the GSC (St. Louis) and The Broad Institute (MIT).

The chimpanzee 2.1 assembly is a merge of the initial 4X made in collaboration with the Broad Institute at MIT and Harvard and an additional (2X) whole genome coverage from the WUGSC (St. Louis) utilizing a combination of whole genome plasmid reads as well as fosmid and BAC end sequences.

This release of the assembly has the following properties:

  • 246876 contigs, having N50 length 30.8 Kb
  • contig length total 2.92 Gb
  • chromosome length total 3.35 Gb

Chromosome numbering

As of Release 35 we have changed the chimpanzee chromosome numbering to match the new primate standard proposed by E.H. McConkey (Cytogenetics and Genome Research, 105:157-158) and endorsed by the International Chimpanzee Genome Consortium.

Annotation

The genome was aligned to human NCBI36 by UCSC using BLASTz. These alignments were used to transfer human ensembl gene structures (Human Build 36f) to chimpanzee. 92% of the chimp-specific proteins were aligned to the chimp genome in a first layer of annotation. The 8% missing correspond to fragments or proteins that contain stop codons in the assembled genome

What's New in Ensembl 46

Pan troglodytes News

  • New chimp genebuild
    A new genebuild has been created on the existing Pan troglodytes assembly. This build is a merge between targeted genewise chimp proteins and projected human genes. More details...
  • New variation data
    • New human database from dbSNP 127.
      Read more...

General News

  • Functional genomics
    eFG will contribute the second version of the regulatory build with focus on CD4 T-cells comprising more than 20 different epigenetic factors.
  • API changes

    The following changes have been made to the Ensembl API.
    Read more...

  • ncRNA updates
    ncRNAs have been updated for all chordate species, using models from the new version of Infernal.

More news...

Statistics

Assembly: CHIMP2.1, Mar 2006
Genebuild: Ensembl, May 2007
Database version: 46.21e
Known genes: 2,585
Projected genes: 16,558
Novel genes: 1,429
Pseudogenes: 872
RNA genes: 4,034
Genscan gene predictions: 126,540
Gene exons: 239,056
Gene transcripts: 34,039
SNPs: 1,520,077
Base Pairs*: 2,928,563,828
Golden Path Length**: 3,350,417,645
Most common InterPro domains: Top 40 Top 500

* Total number of base pairs = sum of lengths of DNA table

** Reference assembly (Golden path) length = sum of non-redundant top level seq regions


 

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Ensembl release 46 - Aug 2007
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