Primary structure of a gene for subunit V of the cytochrome c oxidase from Saccharomyces cerevisiae.

We have isolated a gene coding for cytochrome c oxidase subunit V by genetic complementation in yeast. This protein is made as a 153 amino acid long precursor; its amino-terminal extension of 20 amino acids contains four basic residues and no acidic one, a feature common to most pre-sequences of imported mitochondrial proteins.