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- Leading Biology
- 美国
- PO55319E1
- 2025年07月16日
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- 文献和实验
- 技术资料
- 保存条件：
Stable for 1 year at -5339°C or below from date of shipment.
- 保质期：
1-2年
- 供应商：
安诺伦（北京）生物科技有限公司
- 规格：
100 ug
性质：
表达系统：E. coli
种属：SARS-CoV-2
氨基酸序：Ser2-Ala419(E378Q)
标签类型：N-His
分子量：The recombinant SARS-CoV-2 (2019-nCoV) Nucleocapsid consists of 425 amino acids and predicts a molecular mass of 46.5 kDa.
活性：At Leading Biology, the biological activity of a recombinant protein is routinely measured using a bioassay, e.g. chemotaxis or cell proliferation assay, enzyme assay, or a functional ELISA. When a recombinant protein is an enzyme, specific activity is derived from an enzymatic assay. Each enzyme is tested for potency by cleavage of a substrate. We are in the process of updating the biological activity data. If you have any questions regarding this update, please feel free to contact our technical support team.
内毒素：Please contact us for more information.
基因名称：
通用名：NP-CoV
蛋白序参考：YP_009724397.2
总结：Coronaviruses are enveloped viruses with a positive-sense RNA genome and with a nucleocapsid of helical symmetry. Coronavirus nucleoproteins localize to the cytoplasm and the nucleolus, a subnuclear structure, in both virus-infected primary cells and in cells transfected with plasmids that express N protein. The coronavirus N protein is required for coronavirus RNA synthesis and has RNA chaperone activity that may be involved in template switch. Nucleocapsid protein is the most abundant protein of coronavirus. During virion assembly, N protein binds to viral RNA and leads to the formation of the helical nucleocapsid. Nucleocapsid protein is a highly immunogenic phosphoprotein also implicated in viral genome replication and in modulating cell signaling pathways. Because of the conservation of the N protein sequence and its strong immunogenicity, the N protein of coronavirus is chosen as a diagnostic tool.
形式：Lyophilized
纯度：> 90 % as determined by SDS-PAGE.
储存条件：In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature. Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise. Stable for 1 year at -20°C or below from date of shipment. For maximum recovery of product, centrifuge the original vial after thawing and opening the cap. For long-term storage, aliquot and store at -20°C or below. Avoid repeated freeze-thaw cycles.
储存溶液：Lyophilized from sterile 50 mM PB, 500 mM NaCl, pH 7.4. Please contact us for any concerns or special requirements. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hard copy of CoA.
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Site‐Specific Protein Labeling with SNAP‐Tags
Srikun, D., Albers, A.E., Nam, C.I., Iavarone, A.T., and Chang, C.J. 2010. Organelle‐targetable fluorescent probes for imaging hydrogen peroxide in living cells via SNAP‐Tag protein labeling. J. Am. Chem. Soc. 132:4455–4465
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