恺佧生物科技（上海）有限公司

表达区间及表达系统（Source）	Recombinant SARS-COV-2 Nucleocapsid Protein NTD Domain Protein is expressed from E.coli with His tag and Avi tag at the N-Terminus. It contains Leu64-Ser180 [Accession \| QHD43423.2].
分子量大小（Molecular Weight）	The protein has a predicted MW of 16.3 kDa same as Bis-Tris PAGE result.
纯度（Purity）	> 95% as determined by Bis-Tris PAGE
内毒素（Endotoxin）	Less than 1 EU per μg by the LAL method.
制剂（Formulation）	Supplied as 0.22μm filtered solution in 50mM Tris, 500mM NaCl, 10% Glycerol (pH 7.4).
存储（Storage）	Valid for 12 months from date of receipt when stored at -80°C. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.

表达区间及表达系统（Source）

Recombinant SARS-COV-2 Nucleocapsid Protein NTD Domain Protein is expressed from E.coli with His tag and Avi tag at the N-Terminus.
It contains Leu64-Ser180 [Accession | QHD43423.2].

分子量大小（Molecular Weight）

The protein has a predicted MW of 16.3 kDa same as Bis-Tris PAGE result.

纯度（Purity）

> 95% as determined by Bis-Tris PAGE

内毒素（Endotoxin）

Less than 1 EU per μg by the LAL method.

制剂（Formulation）

Supplied as 0.22μm filtered solution in 50mM Tris, 500mM NaCl, 10% Glycerol (pH 7.4).

存储（Storage）

Valid for 12 months from date of receipt when stored at -80°C.
Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.

Non-biotinylated SARS-COV-2 Nucleocapsid Protein NTD Domain Protein