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Identification of the polypeptides encoded in the ATPase 6 gene and in the unassigned reading frames 1 and 3 of human mtDNA

Chomyn, Anne and Mariottini, Paolo and Gonzalez-Cadavid, Nestor and Attardi, Giuseppe and Strong, Donna D. and Trovato, Dennis and Riley, Marcia and Doolittle, Russell F. (1983) Identification of the polypeptides encoded in the ATPase 6 gene and in the unassigned reading frames 1 and 3 of human mtDNA. Proceedings of the National Academy of Sciences of the United States of America, 80 (18). pp. 5535-5539. ISSN 0027-8424. PMCID PMC384292. doi:10.1073/pnas.80.18.5535.

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Antibodies prepared against chemically synthesized peptides predicted from the DNA sequence have been used to identify the polypeptides encoded in the ATPase 6 gene and in unidentified reading frames (URFs) 1 and 3 of human mtDNA. In particular, antibodies directed against the COOH-terminal nonapeptide of the putative polypeptide encoded in the ATPase 6 reading frame immunoprecipitated specifically component 17 of the HeLa cell mitochondrial translation products, the reaction being inhibited by the specific peptide. Similarly, antibodies directed against the COOH-terminal undecapeptide of the putative URF1 product or against the COOH-terminal heptapeptide of the presumptive URF3 product were effective in immunoprecipitating specifically component 12 or, respectively, component 24 of the mitochondrial translation products. The sizes of proteins 17, 12, and 24, as estimated from their electrophoretic mobilities, are compatible with their being the products of the ATPase 6 gene, URF1, and URF3, respectively.

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Additional Information:© 1983 by the National Academy of Sciences. Communicated by S. J. Singer, June 9, 1983. These investigations were supported by National Institutes of Health Grants GM 11726 (to G.A.) and HL-26873 (to R.F.D.) and National Science Foundation Grant PCM-8118172 (to R.F.D.). P.M. was supported by a fellowship from the Istituto Pasteur-Fondazione Cenci-Bolognetti. The publication costs of this article were defrayed in part by page charge payment. This article must therefore be hereby marked "advertisement" in accordance with 18 U.S.C. §1734 solely to indicate this fact.
Funding AgencyGrant Number
NIHGM 11726
Istituto Pasteur-Fondazione Cenci-BolognettiUNSPECIFIED
Subject Keywords:HeLa cells; synthetic peptides; antibodies; mitochondrial translation products
Issue or Number:18
PubMed Central ID:PMC384292
Record Number:CaltechAUTHORS:CHOpnas83
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1490
Deposited By: Tony Diaz
Deposited On:23 Jan 2006
Last Modified:08 Nov 2021 19:10

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