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Merck

N8271

Sigma-Aldrich

α(2→3,6,8,9) 神经氨酸酶 来源于产脲节杆菌

recombinant, expressed in E. coli, buffered aqueous solution

别名:

神经氨酸酶 来源于产脲节杆菌, 唾液酸酶, 神经氨酸苷酶

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About This Item

CAS号:
MDL號碼:
分類程式碼代碼:
12352204
NACRES:
NA.32

重組細胞

expressed in E. coli

品質等級

形狀

buffered aqueous solution

比活性

≥135 units/mg protein

分子量

88 kDa
95 kDa

異物活動

β-Galactosidase, α-mannosidase, β-hexosaminidase, α-fucosidase, and proteases, none detected

運輸包裝

wet ice

儲存溫度

2-8°C

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生化/生理作用

从复合寡糖中释放α(2→3)、α(2→6)、α(2→8)和 α(2→9)-连接的N-乙酰神经氨酸。

包裝

本品为5倍浓缩的反应缓冲液(250 mM磷酸钠,pH 6.0)。

單位定義

一个酶活性单位是指在pH 5.0、37℃下,每分钟水解1 μmole的4-甲基伞形酮α-D-N-乙酰神经氨酸苷所需的酶量。

外觀

溶于20mM Tris-HCl (pH 7.5)和20 mM NaCl的溶液中。

準備報告

表达于无糖苷酶的宿主中。

儲存類別代碼

12 - Non Combustible Liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Tripartite Tc toxin complexes of bacterial pathogens perforate the host membrane and translocate toxic enzymes into the host cell, including in humans. The underlying mechanism is complex but poorly understood. Here we report the first, to our knowledge, high-resolution structures
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Journal of medical entomology, 50(1), 85-93 (2013-02-23)
Amblyomma variegatum F. are obligate hematophagous ectoparasites of livestock that serve as the vectors of Ehrlichia ruminantium (formerly known as Cowdria ruminantium), the causative agent of heartwater disease. In the light of the fact that they are blood-feeding, their salivary
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The Journal of biological chemistry, 288(15), 10652-10660 (2013-03-01)
Interactions that facilitate transmembrane domain (TMD) dimerization have been identified mainly using synthetic TMDs. Here, we investigated how inherent properties within natural TMDs modulate their interaction strength by exploiting the sequence variation in the nine neuraminidase subtypes (N1-N9) and the

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