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. 1983;2(12):2169–2172. doi: 10.1002/j.1460-2075.1983.tb01718.x

Import of proteins into mitochondria: nucleotide sequence of the gene for a 70-kd protein of the yeast mitochondrial outer membrane.

T Hase, H Riezman, K Suda, G Schatz
PMCID: PMC555429  PMID: 6365533

Abstract

The nucleotide sequence of the yeast chromosomal gene coding for the 70-kd protein of the mitochondrial outer membrane was determined. The deduced amino acid sequence of the protein agrees with the experimentally determined size and amino acid composition of the purified protein and correctly predicts the fragments obtained by cleaving the protein at its single tryptophan residue. The deduced NH2-terminal sequence features an uninterrupted stretch of 28 uncharged amino acids flanked on both sides by basic amino acids. By sequencing a truncated version of the gene it was found that the corresponding polypeptide product lacks the 203 carboxy-terminal amino acids of the authentic 70-kd protein. As shown in the accompanying paper, this protein fragment still becomes attached to the mitochondrial outer membrane in vivo.

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