1. 重组蛋白
  2. Viral Proteins
  3. SARS-CoV-2 Proteins
  4. SARS-CoV-2 Spike Proteins
  5. SARS-CoV-2 S1 Protein
  6. SARS-CoV-2 S1 蛋白 (HEK293, Fc)

SARS-CoV-2 S1 蛋白 (HEK293, Fc)

目录号: HY-P7435
COA 产品使用指南

SARS-CoV-2 S1 Protein (HEK293, Fc)是 HEK293 细胞产生的带 C-Fc 标签的重组 2019-nCoV S1 蛋白。

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规格 价格 是否有货 数量
50 μg ¥3750 In-stock
100 μg   询价  

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描述

SARS-CoV-2 S1 Protein (HEK293, Fc) is the recombinant 2019-nCoV S1 protein with C-Fc tag produced in HEK293 cells[1].

研究背景

SARS-CoV-2的刺突(S)糖蛋白是中和抗体的主要靶点,利用ACE2进入宿主细胞。SARS-CoV-2 S 糖蛋白在 S1/S2 亚基之间的边界处有一个弗林蛋白酶裂解位点,该位点在生物发生过程中进行加工,使该病毒与 SARS-CoV 和 SARS 相关 CoV 区分开来[1]

生物活性

Binding ability is measured by functional ELISA, 10 μg/mL (100 µL/well) of immoblized recombinant human ACE-2, Fc produces 50% optimal binding response approximately 0.85 μg/mL.

种属

Virus

表达系统

HEK293

标签

C-hFc

蛋白编号

QHD43416.1 (Q14-R685)

基因 ID

43740568  [NCBI]

蛋白结构
N-term
S1 Protein (Q14-R685)
Accession # QHD43416.1
hFc
C-term
同用名
2019-nCov RBD Protein; 2019-nCoV Spike RBD Protein; S protein RBD; 2019-nCoV S protein RBD
氨基酸序列

QCVNLTTRTQLPPAYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVTWFHAIHVSGTNGTKRFDNPVLPFNDGVYFASTEKSNIIRGWIFGTTLDSKTQSLLIVNNATNVVIKVCEFQFCNDPFLGVYYHKNNKSWMESEFRVYSSANNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKHTPINLVRDLPQGFSALEPLVDLPIGINITRFQTLLALHRSYLTPGDSSSGWTAGAAAYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIYQTSNFRVQPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKNKCVNFNFNGLTGTGVLTESNKKFLPFQQFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNQVAVLYQDVNCTEVPVAIHADQLTPTWRVYSTGSNVFQTRAGCLIGAEHVNNSYECDIPIGAGICASYQTQTNSPRRAR

分子量

130-140 kDa

纯度

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

性状

溶液.

组分

Supplied as a 0.2 μm filter solution of PBS, pH 7.4.

内毒素含量

<1 EU/μg, determined by LAL method.

保存条件 & 期限

Stored at -80°C for 1 year. It is stable at -20°C for 3 months after opening. It is recommended to freeze aliquots at -80°C for extended storage. Avoid repeated freeze-thaw cycles.

运输条件

Shipping with dry ice.

文件资料
参考文献

SARS-CoV-2 S1 Protein (HEK293, Fc) 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.

  • 复溶计算器

  • 重组蛋白稀释计算器

  • 比活力计算器

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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