1. 重组蛋白
  2. Viral Proteins
  3. Influenza Viruses Proteins
  4. Influenza Hemagglutinin
  5. HA/Hemagglutinin 蛋白, H5N1 (Q9Q0U6, HEK293, His)

HA/Hemagglutinin 蛋白, H5N1 (Q9Q0U6, HEK293, His)

目录号: HY-P73978
产品使用指南

HA/血凝素蛋白与细胞表面受体结合,使病毒颗粒能够附着。这通过不同的途径启动病毒颗粒内化。HA 对于确定病毒宿主范围和毒力至关重要。作为 I 类病毒融合蛋白,它介导内吞病毒颗粒膜与内体膜之间的融合,促进病毒进入细胞质。在内体的低 pH 条件下,HA2 发生构象变化,释放融合疏水肽。多个HA三聚体形成一个有能力的融合孔。HA 是具有二硫键连接的 HA1-HA2 亚基的同源三聚体。HA/Hemagglutinin 蛋白, H5N1 (Q9Q0U6, HEK293, His) 是重组的 HA/血凝素蛋白,由 HEK293 表达,带有 C-His 标签。HA/Hemagglutinin 蛋白, H5N1 (Q9Q0U6, HEK293, His) 全长 340 个氨基酸,分子量约为 ~38 kDa。

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描述

HA/Hemagglutinin Protein binds to cell surface receptors, enabling virus particle attachment. This initiates virion internalization through diverse pathways. HA is vital for determining virus host range and virulence. As a Class I viral fusion protein, it mediates fusion between the endocytosed virus particle's membrane and the endosomal membrane, facilitating virus entry into the cell cytoplasm. In endosomes' low pH, HA2 undergoes a conformational change, releasing the fusion hydrophobic peptide. Multiple HA trimers form a competent fusion pore. HA is a homotrimer with disulfide-linked HA1-HA2 subunits. HA/Hemagglutinin Protein, H5N1 (Q9Q0U6, HEK293, His) is the recombinant Virus-derived HA/Hemagglutinin protein, expressed by HEK293, with C-His labeled tag. The total length of HA/Hemagglutinin Protein, H5N1 (Q9Q0U6, HEK293, His) is 340 a.a., with molecular weight of ~38 kDa.

研究背景

血凝素蛋白 (HA) 与细胞表面的受体结合,促进病毒颗粒附着到细胞上。这种附着导致病毒粒子通过不同的途径内化。HA 在确定病毒的宿主范围限制和毒力方面也起着至关重要的作用。作为I类病毒融合蛋白,HA负责介导内吞病毒颗粒膜与内体膜的融合,使病毒进入细胞胞质。在内体的低pH环境中,HA2发生构象变化,释放融合疏水肽。需要多个HA三聚体才能形成有能力的融合孔。HA 是由二硫键连接的 HA1-HA2 亚基组成的同源三聚体。

种属

Virus

表达系统

HEK293

标签

C-His

蛋白编号

Q9Q0U6 (M1-E340)

基因 ID

3654620  [NCBI]

蛋白结构
N-term
H5N1 HA (M1-E340)
Accession # Q9Q0U6
His
C-term
同用名
HA; Hemagglutinin; HA/Hemagglutinin Protein, H5N1 (A/goose/Guangdong/1/1996, HEK293, His)
分子量

Approximately 38 kDa

纯度

Greater than 90% as determined by reducing SDS-PAGE.

内毒素含量

<1 EU/μg, determined by LAL method.

文件资料

HA/Hemagglutinin Protein, H5N1 (Q9Q0U6, HEK293, His) 相关分类

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

浓度 (start) × 体积 (start) = 浓度 (final) × 体积 (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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产品名称:
HA/Hemagglutinin Protein, H5N1 (Q9Q0U6, HEK293, His)
目录号:
HY-P73978
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