Molecular cloning and nucleotide sequence of a human renin cDNA fragment

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Abstract
We have studied human renin messenger RNA by hybridization with the mouse submaxillary gland (SMG) renin cDNA probe. The human kidney messenger RNA is about 1.6 kilobase (kb) long, similarly to the mouse SMG renin mRNA. A kidney renin cDNA clone of 1.1 kb length was obtained. A comparison of nucleotide sequences of mouse and human cDNA clones reveals conservation of residues involved in catalytic mechanisms and a potential glyco-sylation site. The human renin molecular probe allowed us to study renin expression in human chorionic tissue. The chorionic and kidney renin messenger RNAs are similar in length. The Southern blot analysis reveals the presence of a single renin gene in human DNA.