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EC 1.11.1.6 Details
EC number
1.11.1.6
Accepted name
catalase
Reaction
2 H2O2 = O2 + 2 H2O
Other name(s)
equilase, caperase, optidase, catalase-peroxidase, CAT
Systematic name
hydrogen-peroxide:hydrogen-peroxide oxidoreductase
CAS registry number
9001-05-2
Comment
A hemoprotein. A manganese protein containing MnIII in the resting state, which also belongs here, is often called pseudocatalase. The enzymes from some organisms, such as Penicillium simplicissimum, can also act as a peroxidase (EC 1.11.1.7) for which several organic substances, especially ethanol, can act as a hydrogen donor. Enzymes that exhibit both catalase and peroxidase activity belong under EC 1.11.1.21, catalase-peroxidase.
History
created 1961, modified 1986, modified 1999, modified 2013
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