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Enzymes catalase and peroxidase

Discussion of all aspects of biological molecules, biochemical processes and laboratory procedures in the field.

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Enzymes catalase and peroxidase

Postby dingdangdoo » Tue Mar 01, 2005 6:48 pm

I was wondering if anybody could tell me if either one are present in the liver and if so could they please explain their functions. I was also wondering if copper would have an effect on the enzymes function. Thanks.
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Postby Poison » Tue Mar 01, 2005 9:05 pm

catalase is present in liver. Its function is to break down H2O2 into H2O and O2. H2O2 is a harmful product that must be broken down.
Have a look at these for more. They might help:

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about299.html


In your second question, what kind of effect are you asking about?
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Postby canalon » Tue Mar 01, 2005 9:55 pm

A quick search on medline and toxnet show that defects in Copper lead to oxidation problem in the liver. But it seems related to A problem with a CuZn dependant Superoxide dismutase (SOD), not with catalase or peroxidase.
SOD protects again oxidation by inacativating Superoxide ions which are a highly reactive oxygen species, but don not act on H2O2.

HTH

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