I am doing a research project on the peroxisomes, and in it I referenced the enzyme catalase, which breaks down hydrogen peroxide into water and oxygen. However, the assignment asks me to specify the production location of all enzymes, and I cannot find any useful information about where the enzyme is created. I think it is created in the peroxisome itself, but am not so sure of that. Where is catalase produced?

  • $\begingroup$ According to this source ncbi.nlm.nih.gov/books/NBK26858 , peroxisomes don't have ribosomes. Thus the source of catalase isn't the peroxisome. $\endgroup$
    – serekani
    Sep 22, 2019 at 11:37
  • $\begingroup$ According to this source all peroxisomal proteins are synthesized on free ribosomes in the cytosol. $\endgroup$
    – serekani
    Sep 22, 2019 at 17:39


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