Spectrophotometrical investigations on enzyme systems in living objects. II. Cytochromes a and a3.

作者: H. Lundegårdh

DOI: 10.1016/0006-3002(57)90408-0

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摘要: The properties of the cytochromes a and a3 were studied in suspensions baker's yeast compared with spectrograms heart-muscle preparation. results corroborate original findings Keilin Hartree on coexistence two enzymes show identity cytochrome c oxidase. individual spectra calculated according to method optical subtraction, applied from treated O2, N2, CO, HCN various mixtures these gases. Observations kinetics made aid alternating reduction reoxidation, continuous recording band heights. Complete recorded automatic spectrophotometer. role aerobic respiration was by parallel observations oxidation-reduction state intensity oxygen consumption.

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