ENZ_CAT_001

Catalase, Liquid Format (CAT)

EC Number: 1.11.1.6 CAS Number: 9001-05-2 BRENDA IUBMB

High-performance catalase purified from a psychrotolerant microorganism.

High-performance catalase purified from a psychrotolerant microorganism, Liquid format

Wide Temperature Range

Maintains activity at below-freezing temperatures, whereas commercial catalase only tolerates up to 45°C.

High Thermal Stability

Maintains over 50% of its activity for 7 hours at 50°C.

Wide pH Range

Functions between pH 4.0 and 11.0, more effectively between 6.5 and 9.0.

Swissaustral developed a novel high-performance recombinant catalase derived from a non-pathogenic psychrotolerant bacterium granting activity at sub-zero temperatures.

Potential Applications

Catalase rapidly decomposes hydrogen peroxide, delivering cross-sector benefits: it clears oxidants after food sterilization, slashes water and energy in textile peroxide removal, and prevents toxic effluents in pulp bleaching.

Main Properties

Origin Psychrotolerant bacteria
Production Source Escherichia coli
Molecular Weight ~220 kDa
Activity ≥ 8,000 U/mg of protein
Unit Definition One unit is defined as the decomposition of 1 µmol of H₂O₂ in 1 minute at 25°C at pH 7.0. The rate of disappearance of H₂O₂ is observed at 240 nm.
Temperature Range 20–80°C (optimal: 30–40°C)
pH Range 4–11 (optimal: 7)
Other Components 0.05 M Tris Buffer pH 8 and 0.5 M NaCl
Storage Conditions At 20°C, it maintains the reported activity at least for 2 years.

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