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Nat Genet. 1994 May;7(1):48-53.

Striking sequence similarity over almost 100 kilobases of human and mouse T-cell receptor DNA.

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1
Department of Biology, University of Victoria, British Columbia, Canada.

Abstract

We report here the comparative DNA sequence analysis of nearly 100 kilobases of contiguous DNA in the C delta to C alpha region of the alpha/delta T cell receptor loci (TCRAC/TCRDC) of mouse and man. This analysis--the largest genomic sequence comparison so far--provides new insights into the functions of the T cell receptor genes as well as the surrounding chromosome structure through the identification of actively conserved DNA sequences. In this comparison we have identified a very high level of organizational and noncoding sequence similarity (approximately 71%) in contrast to previous findings in the beta-globin gene cluster. This observation begins to question the notion that much of the chromosomal non-coding sequence is junk.

PMID:
8075639
DOI:
10.1038/ng0594-48
[Indexed for MEDLINE]

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