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References Suggestions


Standard Name


Gene Synonym(s)

ECK3934, b3942, JW3914[1], JW3914

Product Desc.


Component of hydroperoxidase I[2][3]

Catalase-hydrogen peroxidase I[4]

Product Synonyms(s)

catalase/hydroperoxidase HPI(I)[1], B3942[2][1], KatG[2][1] , ECK3934, JW3914, b3942

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): katG[2], OP00043

Quick Links

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With AhpCF, KatG protects aerobic, phosphate-starved cells from oxidative damage. N-terminus is reportedly blocked (Triggs-Raine et al, 1988.) Binds TrxA (Kumar, 2004). KatG is also a tellurite reductase (Calderon, 2006).[4]


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  1. 1.0 1.1 1.2 1.3 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.