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Pseudogenes for the human uracil-DNA glycosylase on chromosomes 14 and 16
1UNIGEN Center for Molecular Biology, Norwegian University for Science and Technology, Trondheim, Norway.
Biochemical and Biophysical Research Communications
|July 5, 1996
Abstract:
Two clones containing nonfunctional pseudogenes for the human uracil-DNA glycosylase gene have been isolated. The sequences of the two clones that are homologous to the UNG cDNA span 670 and 580 bp, respectively. In the longest of these, a full length Sx type Alu sequence interrupts the homologous sequence. Chromosomal mapping locates the clones to chromosomes 16 and 14. Comparison of the pseudogene sequences to the cDNA sequence indicates that the pseudogenes diverged from the functional gene approximately 31 and 22 million years ago, which is before the point in evolution when great apes and hominides separated.