STRUCTURE OF HUMAN RENIN AND EXPRESSION OF THE RENIN GENE

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Abstract
The amino acid sequence of human renin was identified for the first time. This was determined from the nucleotide sequence of exons in the human renin gene identified in a genomic library by recombinant DNA techniques. Examination of amino acid residues involved in the enzymatic hydrolysis by human renin of the unique Leu10-Val11 bond of human angiotensinogen revealed features peculiar to this highly specialized aspartyl protease. The expression of the renin gene was examined with a hybridization probe for renin mRNA in sections and extracts of tissues. In the submandibular gland of mice renin mRNA, like renin, increased during development and in response to testosterone in females; sodium depletion increased renin mRNA in kidney.