C3556
Catalase from human erythrocytes
≥90% (SDS-PAGE), buffered aqueous solution, ≥30,000 units/mg protein
Synonym(s):
H2O2:H2O2 oxidoreductase
About This Item
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General description
Human catalase is a member of the monofunctional heme-containing catalases. It is an intracellular enzyme located at higher concentrations in the liver, erythrocytes, and kidney. Catalase is a homo-tetrameric protein and comprises amino acid residues, one heme group that is iron III protoporphyrin IX, and a nicotinamide adenine dinucleotide phosphate (NADPH) molecule.[1] It is a ubiquitous[2] enzyme found in most aerobic organisms.[3] The catalase (CAT) gene is located on the human chromosome at 11p13.[4]
Application
- to prevent reoxidation of reduced cytochrome c by H2O2 while measuring the production of superoxide with cytochrome C.[5]
- as a component of the imaging buffer for stochastic optical reconstruction microscopy (STORM) imaging of human skin fibroblasts[6]
- as a component of the gloxy mix for single-molecule imaging[7]
Biochem/physiol Actions
Unit Definition
Physical form
Storage and Stability
persons
Analysis Note
inhibitor
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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Cellular oxidative stress is countered by enzymatic scavengers and antioxidant modulators against reactive oxygen species damage.
Cellular oxidative stress is countered by enzymatic scavengers and antioxidant modulators against reactive oxygen species damage.
Protocols
This procedure may be used for all Catalase products.
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