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Merck
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主要文件

L8258

Sigma-Aldrich

来自 多花紫藤的凝集素

lyophilized powder

别名:

多花紫藤 凝集素, WFA

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About This Item

MDL编号:
MFCD00166187
UNSPSC代码:
12352202
NACRES:
NA.32

表单

lyophilized powder

效能

<16 μg/mL agglutination activity

组成

Protein, ~95% E1%/280

储存温度

−20°C

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相关类别

一般描述

凝集素是一种碳水化合物结合蛋白，存在于植物的根、根茎、叶、种子和茎中。凝集素不仅存在于细胞核中，也存在于细胞质中。

应用

来自紫藤的凝集素已用于：
  • 通过免疫荧光法研究小鼠脑外神经网和小白蛋白网
  • 通过微孔板法评估N-乙酰半乳糖胺（GalNAc）转移到高斯荧光素酶（GLuc）底物的量
  • 研究对周围神经网的结合作用

生化/生理作用

WFA不是血型特异性的，但对N-乙酰基-D- 半乳糖胺具有亲和力。
凝集素与多糖、糖脂和糖蛋白的聚糖具有高亲和力。它参与植物的防御反应。

包装

包装尺寸基于蛋白质含量

分析说明

凝集活性以 μg/ml表示，并且是基于1mg/ml磷酸盐缓冲盐水（pH 6.8）的系列稀释液进行测定的。该活性是在25℃条件下温育1小时后凝集2％人血型A红细胞悬浮液的最低浓度。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000260481
0000260480
054K1231
026F8046

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Nausicaä Lannoo et al.
Frontiers in plant science, 5, 397-397 (2014-08-29)
Plants are under constant attack from pathogens and herbivorous insects. To protect and defend themselves, plants evolved a multi-layered surveillance system, known as the innate immune system. Plants sense their encounters upon perception of conserved microbial structures and damage-associated patterns
Lectins, lectin genes, and their role in plant defense.
M J Chrispeels et al.
The Plant cell, 3(1), 1-9 (1991-01-01)
Dorothy Fiete et al.
The Journal of biological chemistry, 287(34), 29194-29203 (2012-06-23)
Two closely related β1,4-N-acetylgalactosaminyltransferases, β4GalNAc-T3 and β4GalNAc-T4, are thought to account for the protein-specific addition of β1,4-linked GalNAc to Asn-linked oligosaccharides on a number of glycoproteins including the glycoprotein hormone luteinizing hormone and carbonic anhydrase-6 (CA6). We have utilized soluble
Markus Morawski et al.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 369(1654), 20140046-20140046 (2014-09-17)
Perineuronal nets (PNs) in the brains of tenascin-R-deficient (tn-r(-/-)) mice develop in temporal concordance with those of wild-type (tn-r(+/+)) mice. However, the histological appearance of PNs is abnormal in adult tn-r(-/-) mice. Here, we investigated whether similar defects are also
Baihong Guo et al.
Neurobiology of aging, 96, 223-232 (2020-10-12)
One major pathological process in Alzheimer's disease is mediated by hyperphosphorylated tau, which includes altered microtubules (MTs) and functions associated with tau. A potential way to compensate for altered MT function is to use an MT stabilizer, such as epothilone
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