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Merck
CN

N7885

神经氨酸酶 来源于霍乱弧菌

Type III, buffered aqueous solution, 0.2 μm filtered, 1-5 units/mg protein (Lowry, using NAN-lactose)

别名:

受体破坏酶, 唾液酸酶, 神经氨酸苷酶

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化学文摘社编号:
9001-67-6
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-624-6
MDL number:
MFCD00131711
EC 号:
3.2.1.18 (BRENDA, IUBMB)
Specific activity:
1-5 units/mg protein (Lowry, using NAN-lactose)

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产品名称

神经氨酸酶 来源于霍乱弧菌, Type III, buffered aqueous solution, 0.2 μm filtered, 1-5 units/mg protein (Lowry, using NAN-lactose)

type

Type III

form

buffered aqueous solution

specific activity

1-5 units/mg protein (Lowry, using NAN-lactose)

mol wt

83 kDa

application(s)

diagnostic assay manufacturing

foreign activity

Protease and NAN-aldolase, present

storage temp.

2-8°C

Quality Level

300

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Analysis Note

不含防腐剂。

Application

来自霍乱弧菌的神经氨酸苷酶已在一项研究中使用，以评估其在易感细胞结合和摄取霍乱毒素中的作用。它还已在另一项研究中使用，以研究钠底物的制备及其在神经氨酸酶荧光测定中的应用。
神经氨酸酶被用作糖缀合物分布和底物特异性研究的细胞表面探针。

Biochem/physiol Actions

霍乱弧菌神经氨酸酶已被证明通过结合霍乱毒素并帮助其被细胞摄取来促进霍乱毒素感染。

General description

神经氨酸酶是糖苷水解酶，催化末端唾液酸残基的水解。最知名的莫过于促进流感病毒释放的病毒近酰胺酶。

Other Notes

除非另有说明，否则在37 °条件下，当pH为5.0时，使用NAN-乳糖或牛颌下粘蛋白，一个单位每分钟将释放1.0 μ摩尔的N-乙酰神经氨酸。价格基于将NAN-乳糖用作底物的单位。

Physical form

水溶液，pH 5.5，含0.15 M NaCl和4 mM CaCl2。

Preparation Note

色谱纯化产品。

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H334

Hazard Classifications

Resp. Sens. 1

存储类别

10 - Combustible liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

常规特殊物品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000302547
0000302547
0000256063
0000256063
0000488177

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Paola Rota et al.
Organic & biomolecular chemistry, 10(14), 2885-2894 (2012-03-08)
A simple protocol for the synthesis of N-perfluoroacylated and N-acylated glycals of neuraminic acid, with a secondary cyclic amine (morpholine or piperidine) at the 4α position, has been set-up, starting from peracetylated N-acetylneuraminic acid methyl ester that undergoes, sequentially to
Fluorometric assay of neuraminidase with a sodium (4-methylumbelliferyl-alpha-D-N-acetylneuraminate) substrate.
M Potier et al.
Analytical biochemistry, 94(2), 287-296 (1979-04-15)
Jai Woong Seo et al.
Nature communications, 11(1), 2102-2102 (2020-05-02)
Adeno-associated viruses (AAVs) are typically single-stranded deoxyribonucleic acid (ssDNA) encapsulated within 25-nm protein capsids. Recently, tissue-specific AAV capsids (e.g. PHP.eB) have been shown to enhance brain delivery in rodents via the LY6A receptor on brain endothelial cells. Here, we create
J E Galen et al.
Infection and immunity, 60(2), 406-415 (1992-02-01)
Vibrio cholerae neuraminidase (NANase) is hypothesized to act synergistically with cholera toxin (CT) and increase the severity of a secretory response by increasing the binding and penetration of CT to enterocytes. To test this hypothesis, the NANase gene (nanH) from
P C Reading et al.
Journal of virology, 74(11), 5190-5197 (2000-05-09)
Influenza viruses A/PR/8/34 (PR8; H1N1), A/Aichi/68 X-31 (HKx31; H3N2), and A/Beijing/89 X-109 (BJx109; H3N2) show marked differences in their ability to infect murine macrophages, including resident alveolar and peritoneal macrophages as well as the macrophage-derived cell line J774. The hierarchy
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实验方案

Enzymatic Assay of Neuraminidase

Enzymatic Assay of Neuraminidase applies to products that have a specification for neuraminidase content by enzymatic determination.

神经氨酸酶酶促检测方法

在测定神经氨酸酶活性时，使用了一种以N-乙酰新胺酸为酶底物的比色法进行测定。神经氨酸酶是一种可促进流感病毒从感染细胞中释放的水解酶。

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