Abstract
FROM the behaviour of a special preparation of heart muscle, containing a high concentration of cytochrome a, when treated with various reagents, Prof. D. Keilin and Dr. E. F. Hartree deduce that the absorption band a of cytochrome belongs to two slightly different compounds, one of which is autoxi-dizable and combines with potassium cyanide or carbon monoxide, while the other does not possess these properties. They also enumerate reasons for suggesting that the enzyme which oxidizes cytochrome may be a copper-protein compound.
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Points from Foregoing Letters. Nature 141, 879 (1938). https://doi.org/10.1038/141879b0
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DOI: https://doi.org/10.1038/141879b0