N-Acetylneuraminic acid aldolase, Enzyme Activity (TBP0046)

$347.00$555.00

SKU: TBP0046 Category:
SKUStock SIZE PriceQuantity
TBP0046-25U Yes 25 U $347.00
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TBP0046-50U Yes 50 U $555.00
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Description

Preparation and Specification

Appearance: Yellowish amorphous powder, lyophilized

Activity: Grade III 15U/mg-solid or more (30U/mg-protein or more) (containing approx. 30% of stabilizers)

Contaminants: Catalase ≤1.0%

NADH oxidase ≤1.0×10⁻³%

Stabilizers: Mannitol, EDTA

 

Properties

Stability: Stable at -20°C for at least One year

Molecular weight: approx. 98,000

Isoelectric point: 4.6±0.1

Michaelis constant: 2.5×10⁻³M (N-Acetylneuraminic acid)

Structure: 3 subunits (approx. 35,000) per enzyme molecule

Inhibitors: p-Chloromercuribenzoate, SDS, Hg⁺⁺, Ag⁺

Optimum pH: 7.5-8.0

Optimum temperature: 70°C

pH Stability: pH 6.0−9.0 (10°C, 25hr)

Thermal stability: below 65°C (pH 7.5, 30min)

 

Applications

This enzyme is useful for enzymatic determination of N-acetylneuraminic acid and sialic acid when coupled with the related enzymes in clinical analysis. ⁵˜⁷⁾ For industrial use, this enzyme is useful for enzymatic synthesis of sialic acid.

Additional information

SIZE

50 U, 25 U

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