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In enzymology, a manganese peroxidase (EC 1.11.1.13) is an enzyme that catalyzes the chemical reaction. 2 Mn(II) + 2 H + + H 2 O 2 2 Mn(III) + 2 H 2 O. The 3 substrates of this enzyme are Mn(II), H +, and H 2 O 2, whereas its two products are Mn(III) and H 2 O.
847 12359 Ensembl ENSG00000121691 ENSMUSG00000027187 UniProt P04040 P24270 RefSeq (mRNA) NM_001752 NM_009804 RefSeq (protein) NP_001743 NP_033934 Location (UCSC) Chr 11: 34.44 – 34.47 Mb Chr 2: 103.28 – 103.32 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Catalase is a common enzyme found in nearly all living organisms exposed to oxygen (such as bacteria, plants, and animals ...
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In enzymology, a NADH peroxidase (EC 1.11.1.1) is an enzyme that catalyzes the chemical reaction. NADH + H + + H 2 O 2 NAD + + 2 H 2 O. The presumed function of NADH peroxidase is to inactivate H 2 O 2 generated within the cell, for example by glycerol-3-phosphate oxidase during glycerol metabolism or dismutation of superoxide, before the H 2 O 2 causes damage to essential cellular components.
Amyloid beta, when bound to heme, has been shown to have peroxidase activity. [2] A typical group of peroxidases are the haloperoxidases. This group is able to form reactive halogen species and, as a result, natural organohalogen substances. A majority of peroxidase protein sequences can be found in the PeroxiBase database.
This radical adds O 2 to give hydroperoxyl radical (red). In a propagation step, this hydroperoxyl radical abstracts an H + atom from a new diene, generating a new pentadienyl radical and a hydroperoxide (blue). The chemical reaction of lipid peroxidation consists of three phases: initiation, propagation, and termination. [4]
The reaction has two alternative routes catalysed by two different oxidative enzymes, peroxidases or oxidases. An oxidative enzyme is an enzyme that catalyses an oxidation reaction. Two most common types of oxidative enzymes are peroxidases, which use hydrogen peroxide, and oxidases, which use molecular oxygen.
Immunoperoxidase is a type of immunostain used in molecular biology, medical research, and clinical diagnostics.In particular, immunoperoxidase reactions refer to a sub-class of immunohistochemical or immunocytochemical procedures in which the antibodies are visualized via a peroxidase-catalyzed reaction.