Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 1.11.1.21 extracted from

  • Gasselhuber, B.; Graf, M.M.; Jakopitsch, C.; Zamocky, M.; Nicolussi, A.; Furtmueller, P.G.; Oostenbrink, C.; Carpena, X.; Obinger, C.
    Interaction with the redox cofactor MYW and functional role of a mobile arginine in eukaryotic catalase-peroxidase (2016), Biochemistry, 55, 3528-3541 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) Star cells Pyricularia grisea

Crystallization (Commentary)

Crystallization (Comment) Organism
sitting drop vapor diffusion method, using 15% (w/v) PEG 4000 and 0.1 M sodium acetate (pH 4.6) Pyricularia grisea

Protein Variants

Protein Variants Comment Organism
R461A the mutation slightly increases the thermal stability but does not alter the active site architecture or the kinetics of cyanide binding. However, the variant loses the wild type-typical optimum of catalase activity at pH 5.3 but exhibits a broad plateau between pH 4.5 and 7.5 Pyricularia grisea

Organism

Organism UniProt Comment Textmining
Pyricularia grisea A4QUT2
-
-
Pyricularia grisea 70-15 A4QUT2
-
-

Purification (Commentary)

Purification (Comment) Organism
chelating Sepharose column chromatography, and hydroxyapatite column chromatography Pyricularia grisea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2 H2O2
-
Pyricularia grisea O2 + H2O
-
?
2 H2O2
-
Pyricularia grisea 70-15 O2 + H2O
-
?
guaiacol + H2O2
-
Pyricularia grisea tetraguaiacol + H2O
-
?
guaiacol + H2O2
-
Pyricularia grisea 70-15 tetraguaiacol + H2O
-
?

Synonyms

Synonyms Comment Organism
KatG2
-
Pyricularia grisea

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
53
-
melting temperatures are at 53 and 63°C Pyricularia grisea
63
-
melting temperatures are at 53 and 63°C Pyricularia grisea

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
270
-
H2O2 mutant enzyme R461A, at pH 5.5 and 30°C Pyricularia grisea
6450
-
H2O2 wild type enzyme, at pH 5.3 and 30°C Pyricularia grisea

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.3
-
-
Pyricularia grisea