Structure of Human Angiotensinogen Gene

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Abstract
A cDNA clone encoding human angiotensinogen was isolated from a cDNA library prepared from human liver mRNA and used to isolate the angiotensiogen gene. The complete exon sequence of this gene together with extensive intron and flanking sequences are reported. The human angiotensinogen gene contains five exons interrupted by four intervening sequences. we compared the intron-exon structure of this human gene with that of the rat gene or the genes coding for proteins such as .alpha.1-antitrypsin and antithrombin III, whose primary amino acid sequences show similarities. The human angiotensinogen gene shows identical organization with the .alpha.1-antitrypsin gene, but is different from the antithrombin III gene. The 5''-flanking sequence (-500 to -1 bp) of the human angiotensinogen gene was examined for hormone regulatory elements (HRE), which may be implicated in the interaction with the hormone receptor complexes.