Glutamate dehydrogenase(NAD dependent), Enzyme Activity (TBP0024)
$160.00 – $640.00
SKU | Stock | SIZE | Price | Quantity | ||
---|---|---|---|---|---|---|
TBP0024-1KU | Yes | 1000 U | $160.00 | |||
TBP0024-5KU | Yes | 5000 U | $640.00 |
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Description
Preparation and Specification
Appearance: White amorphous powder, lyophilized
Activity: GradeⅡ 100 U/mg-solid or more
Contaminants: NAD oxidase ≤1.0×10⁻²%
Properties
Stability: Stable at -20°C for at least One year
Molecular weight: approx. 260,000
Isoelectric point: 5.6
Michaelis constants: 9.21×10⁻³M (NH₃), 4.80×10⁻³M (α-Ketoglutarate)
7.8×10⁻⁵M (L-Glutamate), 1.29×10⁻⁴M (NADH), 5.89×10⁻⁴M (NAD⁺)
Structure: 6 subunits per enzyme molecule
Inhibitors: Heavy metals, PCMB, IAA
Optimum pH: 7.5-8.0 (α-KG→L-Glu) 9.0 (L-Glu→α-KG)
Optimum temperature: 55°C (α-KG→L-Glu) 50°C (L-Glu→α-KG)
pH Stability: pH 5.0-10.0 (25°C, 20hr)
Thermal stability: below 50°C (pH 8.3, 10min)
Applications
This enzyme is useful for enzymatic determination of NH₃, α-ketoglutaric acid and L-glutamic acid, and for assay of leucine aminopeptidase and urease. This enzyme is also used for enzymatic determination of urea when coupled with urease (URH-201) in clinical analysis.
Additional information
SIZE | 1000 U, 5000 U |
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Datasheet:
TBP0024-Glutamate dehydrogenase(NAD dependent)
MSDS:
TBP0024_Glutamate dehydrogenase(NAD dependent) Safety Data Sheet
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