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Proc Natl Acad Sci U S A. 1987 Oct;84(20):6995-9.

Structure of the gene for human beta 2-adrenergic receptor: expression and promoter characterization.

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  • 1Department of Biotechnology, Pasteur Institute, Paris, France.

Abstract

The genomic gene coding for the human beta 2-adrenergic receptor (beta 2AR) from A431 epidermoid cells has been isolated. Transfection of the gene into eukaryotic cells restores a fully active receptor/GTP-binding protein/adenylate cyclase complex with beta 2AR properties. Southern blot analyses with beta 2AR-specific probes show that a single beta 2AR gene is common to various human tissues and that its flanking sequences are highly conserved among humans and between man and rabbit, mouse, and hamster. Functional significance of these regions is supported by the presence of a promoter region (including mRNA cap sites, two "TATA boxes," a "CAAT box," and three G + C-rich regions that resemble binding sites for transcription factor Sp1) 200-300 base pairs 5' to the translation initiation codon. In the 3' flanking region, sequences homologous to glucocorticoid-response elements might be responsible for the increased expression of the beta 2AR gene observed after treatment of the transfected cells with hydrocortisone. In addition, 5' to the promoter region, an open reading frame encodes a 251-residue polypeptide that displays striking homologies with protein kinases and other nucleotide-binding proteins.

PMID:
2823249
[PubMed - indexed for MEDLINE]
PMCID:
PMC299215
Free PMC Article
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