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Literature summary for 1.11.1.13 extracted from

  • Zhang, H.; Zhang, J.; Zhang, X.; Geng, A.
    Purification and characterization of a novel manganese peroxidase from white-rot fungus Cerrena unicolor BBP6 and its application in dye decolorization and denim bleaching (2018), Process Biochem., 66, 222-229 .
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
ferulic acid
-
Cerrena unicolor
gallic acid
-
Cerrena unicolor
Tween 80
-
Cerrena unicolor

General Stability

General Stability Organism
Ca2+ reduces the enzyme stability by 40% at 10 mM Cerrena unicolor

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ 30% inhibition at 10 mM, Ca2+ reduces the enzyme stability by 40% Cerrena unicolor

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0321
-
H2O2 pH 4.8, 30°C Cerrena unicolor
0.0467
-
Mn(II) pH 4.8, 30°C Cerrena unicolor

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular manganese peroxidase (MnP) is an extracellular glycosylated heme protein Cerrena unicolor
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ required, enzyme-bound, 40% inhibition at 10 mM Cerrena unicolor
Fe2+ in the heme group Cerrena unicolor
Mg2+ slightly activating at 10 mM Cerrena unicolor
Mn2+ 20% activating at 10 mM Cerrena unicolor
additional information poor effects by 10 mM of Zn2+, Na+, and K+ Cerrena unicolor

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2 Mn(II) + 2 H+ + H2O2 Cerrena unicolor
-
2 Mn(III) + 2 H2O
-
?
2 Mn(II) + 2 H+ + H2O2 Cerrena unicolor BBP6
-
2 Mn(III) + 2 H2O
-
?

Organism

Organism UniProt Comment Textmining
Cerrena unicolor A0A7D5FUQ6
-
-
Cerrena unicolor BBP6 A0A7D5FUQ6
-
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme 6.9fold by anion exchange chromatography Cerrena unicolor

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
112.4
-
purified enzyme, pH 4.8, 30°C Cerrena unicolor

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 Mn(II) + 2 H+ + H2O2
-
Cerrena unicolor 2 Mn(III) + 2 H2O
-
?
2 Mn(II) + 2 H+ + H2O2
-
Cerrena unicolor BBP6 2 Mn(III) + 2 H2O
-
?
2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) + 2 H+ + H2O2
-
Cerrena unicolor oxidized 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) + 2 H2O
-
?
2,6-dimethoxyphenol + 2 H+ + H2O2
-
Cerrena unicolor oxidized 2,6-dimethoxyphenol + 2 H2O
-
?
brilliant blue R + H2O2 dye decolorization Cerrena unicolor ?
-
?
bromophenol blue + H2O2 dye decolorization Cerrena unicolor ?
-
?
bromophenol blue + H2O2 dye decolorization Cerrena unicolor BBP6 ?
-
?
Congo red + H2O2 dye decolorization Cerrena unicolor ?
-
?
crystal violet + H2O2 dye decolorization Cerrena unicolor ?
-
?
crystal violet + H2O2 dye decolorization Cerrena unicolor BBP6 ?
-
?
guaiacol + 2 H+ + H2O2
-
Cerrena unicolor oxidized guaiacol + 2 H2O
-
?
methyl orange + H2O2 dye decolorization Cerrena unicolor ?
-
?
additional information evaluation of the dye decolorization ability of the purified enzyme, MnP-BBP6, the enzyme is used to decolorize different types of synthetic dyes including RBBR, Congo red (CR), brilliant blue R (BBR), methyl orange (MO), bromophenol blue (BPB), and crystal violet (CV). Denim bleaching by the purified MnP-BBP6 Cerrena unicolor ?
-
-
additional information evaluation of the dye decolorization ability of the purified enzyme, MnP-BBP6, the enzyme is used to decolorize different types of synthetic dyes including RBBR, Congo red (CR), brilliant blue R (BBR), methyl orange (MO), bromophenol blue (BPB), and crystal violet (CV). Denim bleaching by the purified MnP-BBP6 Cerrena unicolor BBP6 ?
-
-
Remazol Brilliant Blue R + H2O2 dye decolorization Cerrena unicolor ?
-
?
Remazol Brilliant Blue R + H2O2 dye decolorization Cerrena unicolor BBP6 ?
-
?

Subunits

Subunits Comment Organism
? x * 45000, SDS-PAGE Cerrena unicolor

Synonyms

Synonyms Comment Organism
MnP
-
Cerrena unicolor
MnP-BBP6
-
Cerrena unicolor

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
60
-
-
Cerrena unicolor

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
20
-
purified enzyme, pH 4.8, 90% activity remaining Cerrena unicolor
40
-
purified enzyme, pH 4.8, completely stable at Cerrena unicolor
60
-
purified enzyme, pH 4.8, 75% activity remaining Cerrena unicolor
80
-
purified enzyme, pH 4.8, inactivation Cerrena unicolor

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.8
-
-
Cerrena unicolor

pH Range

pH Minimum pH Maximum Comment Organism
3.5 5.5 over 50% of maximal activity within this range Cerrena unicolor

pH Stability

pH Stability pH Stability Maximum Comment Organism
3 7.5 purified enzyme, 30°C, full stability at pH 4.5, below 10% activity remaining at pH 3.0 and pH 7.5, 90% at pH 4.0, 80% at pH 5.0, and 30% at pH 6.0 Cerrena unicolor

Cofactor

Cofactor Comment Organism Structure
heme
-
Cerrena unicolor