• M1567
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Malic Dehydrogenase from porcine heart

≥600 units/mg protein (biuret), ammonium sulfate suspension

L-Malate: NAD+ oxidoreductase, MDH, Malate Dehydrogenase
Enzyme Commission number:
Número de EC:
Número MDL:


ammonium sulfate suspension

Nivel de calidad

specific activity

≥600 units/mg protein (biuret)

actividad extraña

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

temp. de almacenamiento


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Descripción general

Malic Dehydrogenase is a ubiquitous enzyme, which exists in two isoforms in eukaryotic cells.
Malic dehydrogenase exists as a dimer with each subunit containing an NAD-binding domain and a substrate-binding carboxy-terminal domain required for activity.
Malic dehydrogenase is a cytoplasmic isozyme and an important catalyst in the tricarboxylic acid cycle.


Malic Dehydrogenase from porcine heart has been used:
  • in qualitative protein binding measurements
  • to test internally calibrated electrochemical continuous enzyme assay (ICECEA) with model enzyme pair
  • to investigate the effect of chaperone on the refolding of heat-denatured malate dehydrogenase

Malic dehydrogenase has been used in a study to assess the effect of an immunomodulator S2 complex on the enzymes of the parasites. It has also been used in a study to investigate the heterogeneity of lactic and malic dehydrogenase in cerebrospinal fluid.


5000, 10000, 25000 units

Acciones bioquímicas o fisiológicas

Malic Dehydrogenase (MDH) plays an important role in the citric acid cycle in mitochondria. It catalyzes the interconversion of substrates malate and oxaloacetate with the simultaneous oxidation/reduction of NAD/NADH+. MDH present in the cytosol is involved in the shuttling of malate/aspartate.

Definición de unidad

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.

Forma física

Suspension in 2.8 M (NH4)2SO4 solution, pH 6.0

Código de clase de almacenamiento

13 - Non Combustible Solids



Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

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Certificate of Origin

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