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H9408 Sigma

β-Hydroxybutyrate Dehydrogenase from Pseudomonas lemoignei

lyophilized powder, ≥200 units/mg protein

Synonym: (R)-3-Hydroxybutanoate:NAD+ oxidoreductase, 3-HBDH

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Properties

Related Categories 1.1.x.x Acting on hydroxyl groups, 1.x.x.x Oxidoreductases, Biochemicals and Reagents, Cell Biology, Enzyme Class Index,
form   lyophilized powder
purified by   chromatography
foreign activity   lactic dehydrogenase ≤0.05%
  malic dehydrogenase ≤0.1%
storage temp.   −20°C

Description

Application

Suitable for the determination of acetoacetate and D(-)-3-hydroxybutyrate by the method of Williamson, D. H., and Mellanby, J., Methods of Enzymatic Analysis, Bergmeyer, H., ed., 2nd edition, 4, 1836 (1974).

Biochem/physiol Actions

In mammalian systems, β-hydroxybutyrate dehydrogenase is localized on the inner mitochondrial membrane and requires phosphatidyl choline for activity. In contrast, the enzyme from Pseudomonas is a soluble cytosolic enzyme that does not require a phospholipid allosteric activator. The enzyme is required for the utilization of ketone bodies as a source of metabolic energy. It catalyzes the oxidation of 3-hydroxybutyrate to acetoacetate, the first step in the conversion of ketone bodies to citric acid, which is then further metabolized via the tricarboxylic acid cycle (Krebs cycle).

Unit Definition

One unit will oxidize 1.0 μmole of D-β-hydroxybutyrate to acetoacetate per min at pH 7.8 at 37 °C.

Physical form

lyophilized powder containing sucrose, β-NAD and Tris buffer salts

Price and Availability


All labs need water
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles

Related Content

Enzymes & Proteins

Application Index | Enzyme Index | Substrate Index | Inhibitor Index | Cofactor Index | Lectin Index
Keywords: Cell signaling, Diagnostic, Drug discovery, Molecular biology

Peer-Reviewed Papers
15

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