- 商品介绍
- 规格参数
- 包装参数
General description
Isoelectric point: 4.6 ± 0.1
Michaelis constant: 2.5 x 10‾3M (N-Acetylneuraminic acid)
Structure: 3 subunits (approx. 35,000) per mol of enzyme
Inhibitors: p-Chloromercuribenzoate, sodium dodecyl sulfact, Hg++, Ag+
Optimum pH: 7.5– 8.0
Optimum temp: 70°C
pH Stability: pH 6.0–9.0 (10°C, 25hr)
Thermal stability: Below 65°C (pH 7.5, 30 min)
Application
This enzyme is useful for enzymatic determination of N-acetylneuraminic acid and sialic acid when
coupled with the related enzymes in clinical analysis.
For industrial use, this enzyme is useful for enzymatic synthesis of sialic acid.
Used in the Sialic Acid Quantification Kit, SIALIC-Q
Physical form
Lyophilized powder containing mannitol and EDTA
Other Notes
One unit will release 1.0 μmole of pyruvate from NANA per min at pH 7.7 at 37 °C.
| form | lyophilized powder |
| Quality Segment | 200 |
| specific activity | ≥20 units/mg protein (biuret) |
| mol wt | ~98 kDa |
| storage temp. | −20°C |
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¥ 521.16
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¥ 2355.14
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¥ 2757.88
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¥ 3895.14
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¥ 1608.31
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¥ 713.29
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¥ 314.94
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¥ 911.06
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¥ 29754.56
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