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Horseradish peroxidase can be used for various polymerization reactions, but the most extensively studied one is a polymerization of phenol derivatives. [ 12 ] However, Horseradish peroxidase can also be used as a catalyst for Atom Transfer Radical Polymerization reactions [ 13 ] and create polymers in absence of any hydrogen peroxide.
TMB can act as a hydrogen donor for the reduction of hydrogen peroxide to water by peroxidase enzymes such as horseradish peroxidase.. Shows the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) to 3,3',5,5'-tetramethylbenzidine diimine
It is commonly used as a substrate with hydrogen peroxide for a peroxidase enzyme (such as horseradish peroxidase) or alone with blue multicopper oxidase enzymes (such as laccase or bilirubin oxidase). Its use allows the reaction kinetics of peroxidases themselves to be followed.
An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.
Horseradish peroxidase has an accessible active site, and many compounds can reach the site of the reaction. On the other hand, for an enzyme such as cytochrome c peroxidase , the compounds that donate electrons are very specific, due to a very narrow active site.
Horseradish peroxidase is also capable of oxidizing these substrates, but its heme is not covalently bound and becomes damaged during turnover. [4] A specific vanadium bromoperoxidase in marine organisms (fungi, bacteria, microalgae, perhaps other eukaryotes) uses vanadate and hydrogen peroxide to brominate electrophilic organics. [5]
Animal heme-dependent peroxidases is a family of peroxidases.Peroxidases are found in bacteria, fungi, plants and animals. On the basis of sequence similarity, a number of animal heme peroxidases can be categorized as members of a superfamily: myeloperoxidase (MPO); eosinophil peroxidase (EPO); lactoperoxidase (LPO); thyroid peroxidase (TPO); prostaglandin H synthase (PGHS); and peroxidasin.
Peroxidase sequences come from other general public databases (NCBI, TIGR, UniProt KnowledgeBase: all the databases used are listed in the PeroxiBase), either as pre-existing annotated sequences, or from raw data (whole genomic sequencing projects).