Catalase from Bacillus subtilis IAM 1026 (Ferm BP-4844)

Details Catalase from Bacillus subtilis IAM 1026 (Ferm BP-4844) Catalase from Bacillus subtilis IAM 1026 (Ferm BP-4844)

1994-12-06

1996-01-23

Naff, David M.

Chemistry: molecular biology and microbiology

Enzyme , proenzyme; compositions thereof; process for...

Oxidoreductase

4352525, 435839, 4352625, C12N 908, C12N 120, C12N 100

Patent

active

054864674

ABSTRACT:
A microbial catalase having a catalase activity at 0.degree. C. of 95% or more of its catalase activity at 30.degree. C., when measured at pH 7, and a process for producing the same. The microbial catalase preferably has (1) an operative temperature of 0.degree. to 60.degree. C. and an optimum temperature of 0.degree. to 30.degree. C., (2) an optimum pH of 7 to 10, (3) a resistance to 10 mM potassium fluoride, (4) a molecular weight is 65,000.+-.3,000, when measured by SDS polyacrylamide gel electrophoresis, and (5) an isoelectric point is about 4.8, when measured by isoelectric focusing. The catalase is obtainable from Bacillus subtilis IAM 1206 (FERM BP-4844) or a mutant strain thereof.

REFERENCES:
patent: 3123539 (1964-03-01), Beers, Jr.
Loewen et al, "Purification and Characterization of Catalase HPII from Escherichia coli K12", Biochem. Cell Biol., 64:638-646 (1986).
Loewen et al, "Purification and Characterization of Catalase-1 from Bacillus Subtilis", Biochem. Cell Biol., 65:939-947 (1987).
Ishida et al., Kumamoto J. Sci., Biol., vol. 15, No. 2, 39-48, 1981.
Loewen et al., J. of Bacteriology, 3601-3607, vol. 169, No. 8, 1987.
Loewen et al., J. of Bacteriology, 5848-5851, vol. 169, No. 12, 1987.

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