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Literature summary for 1.11.1.21 extracted from

  • Steinman, H.M.; Fareed, F.; Weinstein, L.
    Catalase-peroxidase of Caulobacter crescentus: function and role in stationary-phase survival (1997), J. Bacteriol., 179, 6831-6836.
    View publication on PubMedView publication on EuropePMC
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Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli DH5alpha cells Caulobacter vibrioides

Organism

Organism UniProt Comment Textmining
Caulobacter vibrioides O31066
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
 Caulobacter vibrioides O2 + H2O
-
 ?
o-dianisidine + H2O2
-
 Caulobacter vibrioides oxidized o-dianisidine + H2O
-
 ?

Synonyms

Synonyms Comment Organism
KatG
-
 Caulobacter vibrioides

Expression

Organism Comment Expression
Caulobacter vibrioides the katG gene is induced by hydrogen peroxide, KatG activity is constant throughout exponential growth and is induced 50fold in the stationary phase up

General Information

General Information Comment Organism
malfunction the null katG mutation has little effect on the growth rate in the absence of added H2O2. However, growth inhibition is evident with low levels of exogenous H2O2 Caulobacter vibrioides
physiological function the catalatic and/or peroxidatic activity of KatG is important in reducing H2O2 concentration to a steady-state level compatible with sustained exponential growth. Catalase-peroxidase clearly plays a critical role in stationary-phase survival Caulobacter vibrioides