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. 1988 Aug;7(8):2387-91.
doi: 10.1002/j.1460-2075.1988.tb03083.x.

Characterization of two different genes (cDNA) for cytochrome c oxidase subunit VIa from heart and liver of the rat

A Schlerf  1 , M Droste, M Winter, B Kadenbach
Affiliations

Characterization of two different genes (cDNA) for cytochrome c oxidase subunit VIa from heart and liver of the rat

A Schlerf et al. EMBO J. 1988 Aug.

Abstract

By antibody screening of a rat liver and a rat heart cDNA library in lambda gt11 two clones coding for the liver- and heart-specific subunit VIa of rat cytochrome c oxidase were isolated. In the heart cDNA sequence a TAA stop codon was found in frame 18 bp 5' upstream of the first methionine codon, thus excluding a leader sequence for this protein. The two cDNAs contain the full-length coding region of two subunits. The amino acid sequences of the two subunits show only 50% homology, whereas 74% homology was found between rat heart and bovine heart subunit VIa. By Northern blot analysis it is shown that the gene for subunit VIa from heart is only expressed in heart and skeletal muscle, whereas that from liver is also expressed in kidney, brain, heart and weakly in muscle.

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