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1.11.1.21: catalase-peroxidase

This is an abbreviated version!
For detailed information about catalase-peroxidase, go to the full flat file.

Word Map on EC 1.11.1.21

Reaction

2 H2O2 =

O2
+ 2 H2O

Synonyms

AfKatG, BW16_04845, CAT, CAT-2, catalase -peroxidase KatG, catalase peroxidase, catalase-peroxidase, catalase/peroxidase, CP 2, CP01, CP02, CPX, CthediskatG, EC 1.11.1.7, FeSOD A, FvCP01, FvCP02, FVEG_10866, FVEG_12888, HCP, hemoprotein b-590, HPI, hydroperoxidase I, KatG, KatG1, KatG2, KatP, katX2, KpCP, PCP, Rv1908c

ECTree

     1 Oxidoreductases
         1.11 Acting on a peroxide as acceptor
             1.11.1 Peroxidases
                1.11.1.21 catalase-peroxidase

pH Optimum

pH Optimum on EC 1.11.1.21 - catalase-peroxidase

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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4.7
-
maximal peroxidase activity
5 - 5.3
-
peroxidatic activity
5 - 5.5
also acts as a versatile peroxidase with a pH optimum in the range 5.0-5.5, using both one-electron [2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid), o-dianisidine, pyrogallol, or guaiacol] and two-electron (Br-, I- or ethanol) donors
5.2 - 5.7
-
peroxidatic activity
5.4
-
pH optimum for peroxidase activity
6 - 6.5
-
catalatic activity
6 - 9
-
75-80% of maximum initial rates are still retained at pH 6.0 and 9.0
6.3
-
catalatic activity
6.4
-
pH optimum for catalase activity
6.5 - 7.5
-
catalase and peroxidase activities
7.2
-
maximal catalase activity
7.5
-
catalatic activity in molar concentrations of NaCl, with diaminobenzidine as electron donor