Catalase photoinactivation
RL Mitchell, IC Anderson - Science, 1965 - science.org
RL Mitchell, IC Anderson
Science, 1965•science.org'\, !2 Page 1 Catalase Photoinactivation .670 o---or----or----~--, .660 Fig. Rate of catalase
inactivation with increasing illumination time; a, initial concentration of enzyme in /Lg/1 0 ml; x,
amount of catalase destroyed at time t. References and Notes 1. M. Griffiths, WR Sistrom, G.
Cohen-Bazire, RY Stanier, Nature 176, 1211 (1955); HH Strain, in Photosynthesis in Plants, J.
Franck and WE Loomis, Eds. (Iowa State College Press, Ames, 1949), pp. 133-178. 2. HC
Eyster, Plant Physiol. 25, 630 (1950). 3. B. Chance and AC Maehly, Methods En-' zymol. 2, 764 …
inactivation with increasing illumination time; a, initial concentration of enzyme in /Lg/1 0 ml; x,
amount of catalase destroyed at time t. References and Notes 1. M. Griffiths, WR Sistrom, G.
Cohen-Bazire, RY Stanier, Nature 176, 1211 (1955); HH Strain, in Photosynthesis in Plants, J.
Franck and WE Loomis, Eds. (Iowa State College Press, Ames, 1949), pp. 133-178. 2. HC
Eyster, Plant Physiol. 25, 630 (1950). 3. B. Chance and AC Maehly, Methods En-' zymol. 2, 764 …
The enzymatic activity of catalase is lost during exposure to sunlight in the presence of oxygen. A simultaneous decline occurs in the absorption peak at 405 nanometers.
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