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Literature summary for 1.11.1.6 extracted from

  • Zeng, H.W.; Cai, Y.J.; Liao, X.R.; Zhang, F.; Zhang, D.B.
    Production, characterization, cloning and sequence analysis of a monofunctional catalase from Serratia marcescens SYBC08 (2011), J. Basic Microbiol., 51, 205-214.
    View publication on PubMed

Application

Application Comment Organism
industry hydrogen peroxide scavenging enzyme Serratia marcescens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
78
-
H2O2 in 50 mM NaH2PO4-Na2HPO4 buffer (pH 7.0) at 20°C Serratia marcescens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
58000
-
4 * 58000, SDS-PAGE Serratia marcescens
230000
-
gel filtration Serratia marcescens

Organism

Organism UniProt Comment Textmining
Serratia marcescens D7RJ66
-
-
Serratia marcescens SYBC08 D7RJ66
-
-

Purification (Commentary)

Purification (Comment) Organism
ammonium sulfate precipitation, DEAE column chromatography, and Sephacryl Tm S-200 gel filtration Serratia marcescens

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
14490
-
crude extract, pH 7.0, at 20°C Serratia marcescens
199600
-
after 13.8fold purification, pH 7.0, at 20°C Serratia marcescens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
H2O2
-
Serratia marcescens O2 + H2O
-
?
H2O2
-
Serratia marcescens SYBC08 O2 + H2O
-
?

Subunits

Subunits Comment Organism
homotetramer 4 * 58000, SDS-PAGE Serratia marcescens

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
20
-
-
Serratia marcescens

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
-
-
the enzyme has 78% activity at 0°C Serratia marcescens

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60 70 at 60°C, the enzyme is stable for 240 min, at 65°C the enzyme retains more than 55% of its activity by incubating the enzyme at pH 7.0 after 225 min, at 70°C, the enzyme can retain 57% of its initial activity after incubating at pH 7.0 for 90 min Serratia marcescens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 9
-
Serratia marcescens

pH Range

pH Minimum pH Maximum Comment Organism
5 11
-
Serratia marcescens

Cofactor

Cofactor Comment Organism Structure
heme
-
Serratia marcescens

General Information

General Information Comment Organism
physiological function catalase plays a significant role in preventing Serratia marcescens against cellular damage through hydrogen peroxide Serratia marcescens