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M7383

Malic Dehydrogenase from porcine heart

≥400 units/mg protein (biuret), ammonium sulfate suspension

Synonym(s):

L-Malate: NAD+ oxidoreductase, MDH, Malate Dehydrogenase

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About This Item

UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-622-5
MDL number:
MFCD00131567
EC Number:
1.1.1.37 (BRENDA, IUBMB)
Specific activity:
≥400 units/mg protein (biuret)
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form

ammonium sulfate suspension

specific activity

≥400 units/mg protein (biuret)

foreign activity

Glutamic-Oxalacetic Transaminase ≤0.01%, Glutamic-Pyruvic Transaminase ≤0.01%

storage temp.

2-8°C

General description

Cytoplasmic Isozyme

Application

Malic dehydrogenase has been used in a study to assess the use of a long-wavelength homogeneous enzyme immunoassay for the determination of amikacin in water samples. It has also been used in a study to investigate the lipid metabolism in a liver exposed to cadmium.

Biochem/physiol Actions

The surfactant cetyl (hexadecyl) trimethylammonium bromide inhibits the cytoplasmic isoform of porcine heart malate dehydrogenase but has no effect on the mitochondrial form. SDS however; inhibits both isoforms.

Physical form

Suspension in 3.2 M (NH4)2SO4, 0.1 M KH2PO4, pH 7.0

Other Notes

One unit will convert 1.0 μmole of oxalacetate and β-NADH to L-malate and β-NAD per min at pH 7.5 at 25 °C.

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Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

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