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Superoxide Dismutase, Human, Recombinant, E. coli

Name: Superoxide Dismutase, Human, Recombinant, <i>E. coli</i>
Brand: MM

Synonym(s):

5-LO, Cu/Zn SOD, Human, Recombinant, E. coli

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About This Item

NACRES:

NA.77

UNSPSC Code:

12352202

Specific activity:

≥3000 U/mg

Assay:

≥90% (SDS-PAGE)

Recombinant:

expressed in E. coli

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Properties

recombinant

expressed in E. coli

Quality Segment

100

assay

≥90% (SDS-PAGE)

form

solid

specific activity

≥3000 U/mg

manufacturer/tradename

Calbiochem^®

storage condition

OK to freeze

solubility

soluble (Reconstitute in sterile MQ water to a final concentration of >=100 µg/ml. Further dilute in aqueous buffers just prior to use.)

shipped in

wet ice

storage temp.

−20°C

Description

General description

Recombinant, human superoxide dismutase expressed in E. coli as a homodimer consisting of 2 identical, 154-amino acid chains. Purified by proprietary chromatographic methods. Superoxide dismutase is an essential component of biological defense against the toxic effects of oxygen. It catalyzes the dismutation of superoxide radicals to molecular oxygen and H₂O₂ and plays a role in cellular aging due to its reduced activity in aging cells. Mutant forms of Cu/Zn SOD are associated with neurodegenerative disease.

Physical form

Lyophilized from a 0.2μm filtered concentrated (1mg/ml) solution in PBS, pH 7.4.

Preparation Note

Following reconstitution, refrigerate (4°C) for short-term storage or aliquot and freeze (-20°C) for long-term storage. Stock solutions are stable for up to 2 weeks at 4°C or for up to 4 months at -20°C.

Reconstitute in sterile MQ water to a final concentration of ≥100 µg/ml. Further dilute in aqueous buffers just prior to use.

Other Notes

Baumber, J. and Ball, B.A. 2005. Am. J. Vet. Res.66, 1415.
Dimitrova, A.A., et al. 2005. Folia Med. (Plovdiv)47, 42.
Jebara, S., et al. 2005. J. Plant Physiol.162, 929.
Mila-Kierzenkowska, C., et al. 2005. Acta Biol. Hung.56, 399.
Miszalski, Z., et al. 2005. J. Plant Physiol.162, 895.
Paramonov, B.A., et al. 2005. Bull. Exp. Biol. Med.139, 56.

≥3000 units/mg.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

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This Item	324717	345797
Sigma-Aldrich 574591 Superoxide Dismutase, Human, Recombinant, E. coli	Sigma-Aldrich 324717 Endoglycosidase H, Streptomyces plicatus, Recombinant, E. coli	Sigma-Aldrich 345797 α1-3,6-Galactosidase, Recombinant, E. coli
description -	description Endoglycosidase H, Streptomyces plicatus, Recombinant, E. coli cleaves between the two N-acetylglucosamine residues in the diacetylchitobiose core of the oligosaccharide.	description Catalyzes the hydrolysis of α1,3-linked and α1,6-linked, non-reducing terminal galactose from complex carbohydrates and glycoproteins.
specific activity ≥3000 U/mg	specific activity ≥3 units/mL, ≥30 units/mg protein	specific activity ≥30 units/mg protein, ≥85 units/mL
assay ≥90% (SDS-PAGE)	assay -	assay -
recombinant expressed in E. coli	recombinant expressed in E. coli	recombinant expressed in E. coli
form solid	form liquid	form liquid
storage temp. −20°C	storage temp. 2-8°C	storage temp. 2-8°C
solubility soluble (Reconstitute in sterile MQ water to a final concentration of >=100 µg/ml. Further dilute in aqueous buffers just prior to use.)	solubility -	solubility -

Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

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