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N-Acetylneuraminic Acid Aldolase from microorganisms

品牌
Sigma-Aldrich
CAS
9027-60-5
货号
A6680
规格纯度
lyophilized powder, ≥20 units/mg protein (biuret)
参考价格
11481.3 *本价格含增值税费
促销
数量
-+
产品介绍:

产品说明

包装

25 units in glass bottle

应用

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

物理属性

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℃
pH Stability: pH 6.0–9.0 (10℃, 25hr)
Thermal stability: Below 65℃ (pH 7.5, 30 min)

单位定义

One unit will release 1.0 μmole of pyruvate from NANA per min at pH 7.7 at 37 ℃.

外形

Lyophilized powder containing mannitol and EDTA

基本信息

酶学委员会(EC)编号4.1.3.3 ( BRENDA | IUBMB )
Beilstein2697172
MDL编号MFCD00131656
NACRESNA.32

产品性质

形式lyophilized powder
质量水平200
specific activity≥20 units/mg protein (biuret)
分子量 ~98 kDa
储存温度−20℃

安全信息

储存分类代码12 - Non Combustible Liquids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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