Reference: Yaffe MP, et al. (1989) The major 45-kDa protein of the yeast mitochondrial outer membrane is not essential for cell growth or mitochondrial function. J Biol Chem 264(35):21091-6

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Abstract


As part of an analysis of the function and assembly of the mitochondrial outer membrane, we have cloned and characterized the yeast gene encoding a 45-kDa polypeptide (OM45) which is a major constituent of this membrane. The nuclear gene was isolated by immunological screening of plaques of recombinant phage lambda gt11 containing fragments of yeast genomic DNA using an antibody against OM45. Determination of the nucleotide sequence of the DNA fragment isolated by this approach revealed a single open reading frame of 1179 base pairs which encodes a protein having a predicted molecular mass of 44.6-kDa. Disruption of the OM45 gene in haploid yeast cells eliminated the expression of OM45. The mutant strain showed no apparent defect in cell viability, growth, mitochondrial function, or mitochondrial protein import.

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Journal Article | Research Support, Non-U.S. Gov't | Research Support, U.S. Gov't, P.H.S.
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Yaffe MP, Jensen RE, Guido EC
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