Genomic organization of the human e1af gene, a member of Ets transcription factors

The E1AF protein belongs to the family of Ets transcription factors and is involved in the regulation of metastasis gene expression. It has recently been reported in an undifferentiated child sarcoma that part of this gene could be fused by translocation to the ews gene. We show here that the human e1af gene, which is located in the q21 region of chromosome 17, is organized in 13 exons distributed along 19 kb of genomic DNA. Its two main functional domains, the acidic domain and the DNA-binding ETS domain, are each encoded by three different exons. The 3'-untranslated region of e1af is 0.7 kb. The 5'-untranslated region is about 0.3 kb and is composed of a first exon upstream from the exon containing the first methionine. These data could possibly accelerate an understanding of the molecular basis of putative inherited diseases linked to E1AF. (C) 1999 Elsevier Science B.V. All rights reserved.

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