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Opinion

Genome cartography through domain annotation

Chris P Ponting* and Nicholas J Dickens

Author Affiliations

MRC Functional Genetics Unit, University of Oxford, Department of Human Anatomy and Genetics, South Parks Road, Oxford OX1 3QX, UK

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Genome Biology 2001, 2:comment2006-comment2006.6  doi:10.1186/gb-2001-2-7-comment2006

Published: 3 July 2001

Abstract

The evolutionary history of eukaryotic proteins involves rapid sequence divergence, addition and deletion of domains, and fusion and fission of genes. Although the protein repertoires of distantly related species differ greatly, their domain repertoires do not. To account for the great diversity of domain contexts and an unexpected paucity of ortholog conservation, we must categorize the coding regions of completely sequenced genomes into domain families, as well as protein families.