Abstract
1. Cytochrome c was isolated from horse heart by a chromatographic method. 2. Oxidized and reduced cytochrome c were chromatographed on CM-cellulose that was in equilibrium with several buffer systems of constant composition at pH values of 8·4, 6·75 and 4·9. 3. Separation was better at the higher pH values; the oxidized form was retarded more than twice as much as the reduced form, though they differed by only a single charge. 4. Self-competition between cytochrome molecules is suggested to account for the peak distortion observed at high loads (above 20μm protein concentration).
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Selected References
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