1.11.1.19: dye decolorizing peroxidase
This is an abbreviated version!
For detailed information about dye decolorizing peroxidase, go to the full flat file.
Word Map on EC 1.11.1.19
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1.11.1.19
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peroxidases
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heme
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lignin
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auricula-judae
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thanatephorus
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cucumeris
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veratryl
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auricularia
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irpex
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ligninolytic
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lacteus
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lignin-degrading
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kraft
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adusta
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bjerkandera
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chlorite
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nonphenolic
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2,6-dimethoxyphenol
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sapidus
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lignin-derived
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paper production
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degradation
- 1.11.1.19
- peroxidases
- heme
- lignin
- auricula-judae
-
thanatephorus
- cucumeris
-
veratryl
-
auricularia
- irpex
-
ligninolytic
- lacteus
-
lignin-degrading
-
kraft
- adusta
- bjerkandera
- chlorite
-
nonphenolic
- 2,6-dimethoxyphenol
- sapidus
-
lignin-derived
- paper production
- degradation
Reaction
Synonyms
AnaPX, AncDyPD-b1, DtpA, dye decolorizing peroxidases type B, dye-decolorizing peroxidase, DyP, DyP I, DyP II, DyP-I, DyP-type peroxidase, DyP-V, DyP1, DyP1B, DyP2, DyP3, DyP4, DyPA, EfeB, LiP BA45, LiP-SN, manganese-independent peroxidase I, manganese-independent peroxidase II, MnP BA30, POX, reactiveblue-5: hydrogen-peroxide oxidoreductase, TT1485, tyrA, YcdB, YfeX, YRW2 Mb, YwbN
ECTree
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Inhibitors
Inhibitors on EC 1.11.1.19 - dye decolorizing peroxidase
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2-mercaptoethanol
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55% residual activity at 1 mM; 70% residual activity at 1 mM
4-arbutin
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24.2% inhibition at 1.0 mM, 66.4% inhibition at 50 mM
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ascorbate
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39.5% inhibition at 0.05 mM, complete inhibition at 0.5 mM
dithiothreitol
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65% residual activity at 1 mM; 81% residual activity at 1 mM
hydroxylamine
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10% residual activity at 2 mM; 25% residual activity at 2 mM
KCN
AnaPX shows very low sensitivity to KCN which causes only 9% and 14% inhibition of the activity at 1 and 10 mM, respectively
L-cysteine
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33.9% inhibition at 0.02 mM, complete inhibition at 0.1 mM
Metabisulfite
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93.5% inhibition at 0.5 mM, complete inhibition at 1.0 mM
phenylhydrazine
AnaPX is highly sensitive to the suicide substrate phenylhydrazine (complete inhibition at 1 mM)
H2O2
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DyP activity for Reactive Blue 5 is inhibited when the H2O2 concentration exceeds 0.2 mM at a fixed DyP concentration of 0.6 nM. At 2.8 nM of DyP, its activity for 1,4-diamino-2-sodium anthraquinone sulfonate decreases sharply when the H2O2 concentration exceeds 0.1 mM
H2O2
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maximum relative activity at final H2O2 concentrations between 0.4 and 0.8 mM, activity then gradually drops off. A residual activity of 30% still remains at 12.5 mM H2O2, and the enzyme is completely inactivated in the presence of 50 mM H2O2
H2O2
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the protein becomes progressively inactivated with increasing incubation time and peroxide concentration, detecting the highest inactivation above 100000 molar equivalents. Around 80% inactivation is observed with 3000 molar equivalents in 5 min, and the protein is completely deactivated after 10 min. The activity of the recombinant protein falls below 20% in 60 min of incubation at all the hydrogen peroxide concentrations tested
H2O2
an increase of the hydrogen peroxide concentration of more than 0.1 mM leads to a continuous activity decrease
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3% residual activity at 10 mM; complete inhibition at 10 mM
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27% inhibition at 20 mM; 68% residual activity at 20 mM; 73% residual activity at 20 mM
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5% residual activity at 10 mM; complete inhibition at 10 mM
the enzyme is not sensitive to the prototypical catalase inhibitor 3-amino-1,2,4,-triazole in the presence of ascorbic acid (1.0 mM), metal chelating and sulfhydryl reagents do not significantly affect activity
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