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Enzyme number :EC 1.11.1.13
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Enzyme number :EC 1.11.1.13 [[File:Enzyme manganase peroxidase.jpg | thumb | 200px]]
  
H2O2 에 의존 하여 Mn2+ 를 Mn3+ 로 산화 시키고 , Mn3+ 가 유기 물질을 산화 시키게 된다 .
 
iron protoporphyrin IX group 을 가지고 있는 glycoprotein 이다 .
 
  
MnP는 다양한 phenol 과 dye 를 산화 시킬수 있다 .
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▸Nomenclature Committee of the International Union of Biochemistry and Molecular Biology
  
*Catalytic cycle of manganese peroxidase
 
[[File:Manganese peroxidase.GIF ]]
 
  
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▸Accepted name: manganese peroxidase (EC 1.11.1.13)
  
*fungal taxa : Basidiomycota
 
*Localization : Extracellular
 
  
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▸Reaction: 2 Mn(II) + 2 H+ + H2O2 = 2 Mn(III) + 2 H2O
  
  
• H2O2-dependent one-electron oxidation of Mn2+ to Mn3+, which subsequently oxidizes organic compounds • Redox potential of 1.0–1.2 V
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▸Other name(s): peroxidase-M2; Mn-dependent (NADH-oxidizing) peroxidase
• Mn3+-mediated oxidation of various phenols and aromatic amines
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• Extended substrate range in the presence of co-oxidants (organic SH-containing compounds, unsaturated fatty acids and their derivatives)
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• Activity in the acidic pH range 60,68,70
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▸Systematic name: Mn(II):hydrogen-peroxide oxidoreductase
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▸Comments: A hemoprotein. Involved in the oxidative degradation of lignin in white rot basidiomycetes.
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*Fungal taxa : [[KUC Basidiomycota | Basidiomycota ]]
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*Localization : Extracellular
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==Catalytic cycle of manganese peroxidase ==
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[[File:Manganese peroxidase.GIF | 500 px ]]
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== Reference ==
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Detoxification and Metabolism of Chemicals by White-Rot Fungi | Steven D. Aust , Paul R. Swaner, and James D. Stah

Latest revision as of 17:45, 2 November 2012

Enzyme number :EC 1.11.1.13
Enzyme manganase peroxidase.jpg


▸Nomenclature Committee of the International Union of Biochemistry and Molecular Biology


▸Accepted name: manganese peroxidase (EC 1.11.1.13)


▸Reaction: 2 Mn(II) + 2 H+ + H2O2 = 2 Mn(III) + 2 H2O


▸Other name(s): peroxidase-M2; Mn-dependent (NADH-oxidizing) peroxidase


▸Systematic name: Mn(II):hydrogen-peroxide oxidoreductase


▸Comments: A hemoprotein. Involved in the oxidative degradation of lignin in white rot basidiomycetes.


[edit] Catalytic cycle of manganese peroxidase

Manganese peroxidase.GIF


[edit] Reference

Detoxification and Metabolism of Chemicals by White-Rot Fungi | Steven D. Aust , Paul R. Swaner, and James D. Stah