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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

Reaction

Reactive Blue 5
+ 2 H2O2 =
Phthalate
+
2,2'-disulfonyl azobenzene
+
3-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]benzenesulfonate
+ 2 H2O

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

     1 Oxidoreductases
         1.11 Acting on a peroxide as acceptor
             1.11.1 Peroxidases
                1.11.1.19 dye decolorizing peroxidase

pH Stability

pH Stability on EC 1.11.1.19 - dye decolorizing peroxidase

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pH STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
2 - 4
-
the enzyme maintains 50% of its original activity at pH 2.0 and 4.0 after incubation for 9 and 5 h at 50°C, respectively
742674
2 - 5.5
the enzyme activity is more than 90% between pH 2.0 and 5.5 after 1 h of incubation
765425
2.5 - 5
-
isozymes DyP1, DyP2 and DyP3 are completely inactivated at pH 2.5. Isozymes DyP1, DyP2 and DyP3 exhibit approximately 20% activity at pH 3.0. Isozymes DyP1 and Dyp2 show almost 100% activity at pH 3.5, isozyme DyP3 shows about 95% activity at pH 3.5. Isozyme DyP1 shows less than 50% activity at pH 4.0, isozymes DyP2 and Dyp3 show about 50% activity at pH 4.0. Isozymes Dyp1, DyP2 and Dyp3 show about 30% activity at pH 4.5 and about 20% activity at pH 5.0
712519
3 - 5
-
the enzyme maintains 50% of its original activity at pH 3.0 and 5.0 after incubation for 10 and 6 h at 40°C, respectively
742674
3 - 6
3.5 - 9.5
when maintained at 40°C for 20 min, the enzyme is stable at pH values between 3.5 and 9.5. The enzyme shows 20% relative activity at pH 3.0 and 10.0, 40% relative activity at pH 4.0, about 65% relative activity at pH 4.5 and 9.0, about 80% relative activity at pH 5.0, more than 90% relative activity at pH 6.0-8.0
695785
4
rapid loss of activity below
723971
4 - 6
-
the immobilized enzyme has an optimum stability at pH ranging from 5.5 to 6.0 compared with pH ranging from 4.0 to 5.0 for the free peroxidase. In these pH ranges, both enzymes show 50% activity after 72 h incubation
764337
4 - 9
the enzyme shows more than 80% activity after 24 h at pH 4.0-9.0
743731
5 - 10
the enzyme shows more than 80% activity after incubation at pH 5.0-10.0 for 1 h at 37°C
743647
5 - 9
-
more than 50% activity after 24 h between pH 5.0-9.0, total loss of activity after the enzyme is incubated at pH 3.0-4.0, and more than 90% loss of activity at pH 4.5
764606
6.5 - 7
30 min, stable
723971
7 - 10
-
the enzyme maintains 100% of its original activity at pH values between 7 and 10 after incubation for 48 h at 40°C
742684