Property:Description

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C
'''Catalase''' catalyzes the dismutation of [[hydrogen peroxide]] to water and [[oxygen]]. Perhaps all cells have catalase, but mitochondria of most cells lack catalase. Cardiac mitochondria are exceptional in having mt-catalase activity (rat heart mitochondria: Radi et al 1991; mouse heart mitochondria: Rindler et al 2013). [[Hydroxylamine]] is an inhibitor of catalase, which is also inhibited by [[cyanide]] and [[azide]]. Mitochondrial respiration medium [[MiR05]] was developed considering the intracellular conditions of mitochondria in living cells. In mitochondrial preparations, enzymes and substrates present in the cytosol (such as catalase) are diluted when the plasma membrane is removed. Therefore, the addition of catalase is recommended when working with mitochondrial preparations, to consume any H<sub>2</sub>O<sub>2</sub> generated during the assay.  +
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