Abstract
The nuclear mutation pet ts1402 prevents proteolytic processing of the precursor of cytochrome oxidase subunit 2 (cox2) in Saccharomyces cerevisiae. The structural gene PET1402 was isolated by genetic complementation of the temperature-sensitive mutation. DNA sequence analysis identified a 1206-bp open reading frame, which is located 215 by upstream of the PET122 gene. The DNA sequence of PET1402 predicts a hydrophobic, integral membrane protein with four transmembrane segments and a typical mitochondrial targeting sequence. Weak sequence similarity was found to two bacterial proteins of unknown function. Haploid cells containing a null allelle of PET1402 are respiratory deficient.
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Communicated by C. P. Hollenberg
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Bauer, M., Behrens, M., Esser, K. et al. PET1402, a nuclear gene required for proteolytic processing of cytochrome oxidase subunit 2 in yeast. Molec. Gen. Genet. 245, 272–278 (1994). https://doi.org/10.1007/BF00290106
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DOI: https://doi.org/10.1007/BF00290106