SARS-COV-2 (Omicron B.1.1.529) Spike S Trimer Protein (His & Avi), Biotinylated

产品编号 TMPK-00442

The spike protein (S) of coronavirus (CoV) attaches the virus to its cellular receptor, angiotensin-converting enzyme 2 (ACE2). A defined receptor-binding domain (RBD) on S mediates this interaction.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity. SARS-COV-2 (Omicron B.1.1.529) Spike S Trimer Protein (His & Avi), Biotinylated is expressed in HEK293 mammalian cells with C-His-Avi tag. The predicted molecular weight is 136.70 kDa and the accession number is A0A6G7K2L4.

SARS-COV-2 (Omicron B.1.1.529) Spike S Trimer Protein (His & Avi), Biotinylated

产品编号 TMPK-00442

规格	价格	库存
100 μg	¥ 5,930	5日内发货
500 μg	¥ 23,700	5日内发货
1 mg	¥ 39,500	5日内发货

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产品信息

生物活性	Immobilized Biotinylated SARS-COV-2 Spike S (Omicron B.1.1.529) Trimer, His Tag at 2μg/ml (100μl/Well) on streptavidin (5μg/ml) precoated plate. Dose response curve for Human ACE2, hFc Tag with the EC50 of 7.2ng/ml determined by ELISA.
产品描述	The spike protein (S) of coronavirus (CoV) attaches the virus to its cellular receptor, angiotensin-converting enzyme 2 (ACE2). A defined receptor-binding domain (RBD) on S mediates this interaction.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity. SARS-COV-2 (Omicron B.1.1.529) Spike S Trimer Protein (His & Avi), Biotinylated is expressed in HEK293 mammalian cells with C-His-Avi tag. The predicted molecular weight is 136.70 kDa and the accession number is A0A6G7K2L4.
种属	SARS-CoV-2
表达系统	HEK293 Cells
标签	C-His-Avi
蛋白编号	A0A6G7K2L4
别名	Spike glycoprotein,S protein,S glycoprotein,COVID-19
蛋白构建	Val16-Pro1213(A67V, HV69-70del, T95I, G142D, VYY143-145del, N211del, L212I, ins214EPE, G339D, S371L, S373P, S375F, K417N, N440K, G446S, S477N, T478K, E484A, Q493R, G496S, Q498R, N501Y, Y505H, T547K, D614G, H655Y, N679K, P681H, N764K, D796Y, N856K, Q954H, N969K, L981F). Proline substitutions (F817P, A892P, A899P, A942P, K986P, V987P) and alanine substitutions (R683A and R685A) are introduced to stabilize the trimeric prefusion state of SARS-CoV-2 S protein and abolish the furin cleavage site, respectively.
蛋白纯度	> 95% as determined by Tris-Bis PAGE
分子量	136.70 kDa (predicted). Due to glycosylation, the protein migrates to 140-180 kDa based on Tris-Bis PAGE result.
内毒素	< 1 EU/μg by the LAL method.
缓冲液	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS (pH 7.4). Typically, 8% trehalose is incorporated as a protective agent before lyophilization.
复溶方法	Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing.
存储	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
运输方式	In general, Lyophilized powders are shipping with blue ice.
研究背景	The spike protein (S) of coronavirus (CoV) attaches the virus to its cellular receptor, angiotensin-converting enzyme 2 (ACE2). A defined receptor-binding domain (RBD) on S mediates this interaction.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity.

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COVID19 COVID 19