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Proc Natl Acad Sci U S A. 1988 Nov;85(21):7862-6.

Mammalian ets-1 and ets-2 genes encode highly conserved proteins.

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  • 1Laboratory of Molecular Oncology, National Cancer Institute, Frederick, MD 21701-1013.


Cellular ets sequences homologous to v-ets of the avian leukemia virus E26 are highly conserved. In mammals the ets sequences are dispersed on two separate chromosomal loci, called ets-1 and ets-2. To determine the structure of these two genes and identify the open reading frames that code for the putative proteins, we have sequenced human ets-1 cDNAs and ets-2 cDNA clones obtained from both human and mouse. The human ETS1 gene is capable of encoding a protein of 441 amino acids. This protein is greater than 95% identical to the chicken c-ets-1 gene product. Thus, the human ETS1 gene is homologous to the chicken c-ets-1 gene, the protooncogene that the E26 virus transduced. Human and mouse ets-2 cDNA clones are closely related and contain open reading frames capable of encoding proteins of 469 and 468 residues, respectively. Direct comparison of these data with previously published findings indicates that ets is a family of genes whose members share distinct domains.

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