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C30

Sigma-Aldrich

Catalase from bovine liver

aqueous suspension, 10,000-40,000 units/mg protein

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Synonym(s):
Bovine hepatocatalase, H2O2:H2O2 oxidoreductase
CAS Number:
Enzyme Commission number:
MDL number:
eCl@ss:
32160410
NACRES:
NA.54

biological source

bovine liver

form

aqueous suspension

specific activity

10,000-40,000 units/mg protein

mol wt

tetramer ~250 kDa

storage condition

(Tightly closed. Dry. Keep locked up or in an area accessible only to qualified or authorized
persons)

concentration

20-50 mg/mL

technique(s)

GC/MS: suitable

isoelectric point

5.4

UniProt accession no.

shipped in

wet ice

storage temp.

2-8°C

InChI

1S/C9H10O3/c1-2-12-9(11)7-3-5-8(10)6-4-7/h3-6,10H,2H2,1H3

InChI key

NUVBSKCKDOMJSU-UHFFFAOYSA-N

Gene Information

cow ... CAT(280743)

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This Item
C100C9322C1345
form

aqueous suspension

form

aqueous suspension

form

lyophilized powder

form

powder

specific activity

10,000-40,000 units/mg protein

specific activity

40,000-60,000 units/mg protein (E1%/405)

specific activity

2,000-5,000 units/mg protein

specific activity

2,000-5,000 units/mg protein

mol wt

tetramer ~250 kDa

mol wt

tetramer ~250 kDa

mol wt

tetramer ~250 kDa

mol wt

tetramer ~250 kDa

storage condition

(Tightly closed. Dry. Keep locked up or in an area accessible only to qualified or authorized
persons)

storage condition

-

storage condition

-

storage condition

-

concentration

20-50 mg/mL

concentration

-

concentration

-

concentration

-

General description

Catalase from bovine liver contains 506 residues. It is a tetramer and each monomer corresponds to a molecular weight of 61 kDa. The active site in each momomer comprises nicotinamide adenine dinucleotide phosphate (NADPH) and iron binding region.

Research area: Cell Signaling

Application

Catalase from bovine liver has been used for measuring the hydrogen peroxide content in cancer tissue homogenates. It has also been used to test the effect of organophosphate insecticide chlorpyrifos-ethyl (CE) [0,0-diethyl 0 (3,5,6-trichloro-2-pyridyl) phosphorothioate] on its enzyme activity.
Catalase from bovine liver is used for the following applications:
  • Dielectrophoretic field-flow fractionation (DEP-FFF): It is a chromatographic method in which cell elution times reflect the positions of cells in a hydrodynamic flow profile under the control of sedimentation, DEP and hydrodynamic lift forces, FSED, FDEP and FHDL, respectively. The DEP-FFF buffer consists of catalase along with other ingrediants.
  • GC-MS analyses.
  • Deionization.
  • GC-FID analysis.5
  • Functional analysis of blood vessel.
Catalase acts as a natural antioxidant to study the roles of reactive oxygen species in gene expression and apoptosis. It has also been used to protect against oxidative damage to proteins, lipids, and nucleic acids. Industrially, catalses have been used to remove hydrogen peroxide added to milk and cheese, in textile bleaching, and to examine its positive effects on the viability of DNA-repair mutants of E. coli.

Biochem/physiol Actions

This product doesn′t need any activators, but it is inhibited by 3-amino-1-H-1,2,4 triazole, cyanide, azide, hydroxylamine, cyanogens bromide, 2-mercaptoethanol, dithiothreitol, dianisidnie and nitrate.
Catalase catalyzes the degradation of hydrogen peroxide into water and oxygen. It can also react with alkylhydrogen peroxides, such as methylperoxide and ethylperoxide and the second H2O2 molecule can be replaced by methanol, ethanol, propanol, formate and nitrate as a hydrogen donor.

Components

Catalase from bovine liver is a tetramer consisting of 4 equal subunits each with a 60 kDa molecular weight. Each of these subunits contains iron bound to a protoheme IX group. The enzyme will also strongly bind to NADP, where NADP and the heme group are within 13.7 angstroms.

Caution

Solutions of catalse should not be frozen. Frozen solution will result in a 50-70% loss of activity.

Unit Definition

One unit will decompose 1.0 μmole of H2O2 per min at pH 7.0 at 25 °C, while the H2O2 concentration falls from 10.3 to 9.2 mM, measured by the rate of decrease of A240.

Preparation Note

This product is a crystalline suspension in water containing 0.1% thymol with activity of 10,000-40,000 units/mg.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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The complete amino acid sequence of bovine liver catalase and the partial sequence of bovine erythrocyte catalase
Schroeder WA, et al.
Archives of Biochemistry and Biophysics, 214(1), 397-421 (1982)
Haïfa Debbabi et al.
Molecules (Basel, Switzerland), 25(9) (2020-05-07)
The present investigation was focused on the study of the chemical composition variability and biological activities of the essential oils from Clinopodium nepeta subsp. nepeta and subsp. glandulosum. Essential oils extraction was performed using hydrodistillation and the separation of the
The effect of organophosphate insecticide chlorpyrifos-ethyl on lipid peroxidation and antioxidant enzymes (in vitro)
Gultekin F, et al.
Archives of Toxicology, 74(9), 533-538 (2000)
Stéphanie Heuskin et al.
Journal of chromatography. A, 1216(14), 2768-2775 (2008-10-28)
The chemical composition of Matricaria chamomilla L. and Nepeta cataria L. essential oils was determined by GC-MS on an apolar stationary phase by comparison of the characteristic fragmentation patterns with those of the Wiley 275L database. The GC-MS chromatograms were
Manganese superoxide dismutase (SOD2/MnSOD)/catalase and SOD2/GPx1 ratios as biomarkers for tumor progression and metastasis in prostate, colon, and lung cancer
Miar A, et al.
Free Radical Biology & Medicine, 85, 45-55 (2015)

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