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Information on EC 1.11.1.13 - manganese peroxidase

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EC Tree
     1 Oxidoreductases
         1.11 Acting on a peroxide as acceptor
             1.11.1 Peroxidases
                1.11.1.13 manganese peroxidase
IUBMB Comments
A hemoprotein. The enzyme from white rot basidiomycetes is involved in the oxidative degradation of lignin. The enzyme oxidizes a bound Mn2+ ion to Mn3+ in the presence of hydrogen peroxide. The product, Mn3+, is released from the active site in the presence of a chelator (mostly oxalate and malate) that stabilizes it against disproportionation to Mn2+ and insoluble Mn4+ . The complexed Mn3+ ion can diffuse into the lignified cell wall, where it oxidizes phenolic components of lignin and other organic substrates . It is inactive with veratryl alcohol or nonphenolic substrates.
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Word Map
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Reaction Schemes
2
+
2
+
=
2
+
2
Synonyms
manganese peroxidase, manganese-dependent peroxidase, lemnp2, il-mnp1, mnp-gy, hybrid mn-peroxidase, short mnp, peroxidase-m2, mnp-pgy, mrmnp1, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
2 Mn(II) + 2 H+ + H2O2 = 2 Mn(III) + 2 H2O
show the reaction diagram
PATHWAY SOURCE
PATHWAYS
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