Further analysis of the polypeptide subunits of yeast cytochrome c oxidase. Isolation and characterization of subunits III, V, and VII.


By using a modified purification procedure in which we have substituted detergent exchange gel filtration for DEAE-cellulose or hydroxylapatite chromatography (Mason, T. L., Poyton, R. O., Wharton, D. C., and Schatz, G. (1973) J. Biol. Chem. 248, 1346-1354), we have isolated yeast cytochrome c oxidase preparations which are low in contaminating polypeptides… (More)


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