Name: SARS-COV-2 Spike S1 (Omicron B.1.1.529) Protein (COV-VM1SO)
Brand: KactusBio
SKU: COV-VM1SO-100UG
Price: 330.0 USD
Availability: InStock

SARS-COV-2 Spike S1 (Omicron B.1.1.529) Protein (COV-VM1SO)

Immobilized Human ACE2, hFc Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for SARS-COV-2 Spike S1 (Omicron B.1.1.529) , His Tag with the EC50 of 0.8ug/ml determined by ELISA.

SARS-COV-2 Spike S1 (Omicron B.1.1.529) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

The purity of SARS-COV-2 Spike S1 (Omicron B.1.1.529) is greater than 95% as determined by SEC-HPLC.

Express System: HEK293
Product Tag: C-His
Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Activity: Immobilized Human ACE2, hFc Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for SARS-COV-2 Spike S1 (Omicron B.1.1.529) , His Tag with the EC50 of 0.8ug/ml determined by ELISA. See testing image for detail.
Amino Acid Range: Gln14-Arg683(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)

Catalog #COV-VM1SO

Size

100UG

500UG

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Product Description	Recombinant SARS-COV-2 Spike S1 (Omicron B.1.1.529) Protein is expressed from HEK293 with His tag at the C-Terminus.It contains Gln14-Arg683(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).
Product Background	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.
Product Category	Recombinant Protein / Antibody discovery

Protein	Spike S1 (Omicron B.1.1.529)
Synonyms	S1 protein; Spike protein S1; Spike,S1 protein; S glycoprotein Subunit1
Accession	QHO60594.1
Species	SARS-COV-2
Biotinylated	no
Amino Acid Range	Gln14-Arg683(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)
Molecular Weight	The protein has a predicted MW of 76.38 kDa. Due to glycosylation, the protein migrates to 130-145 kDa based on Bis-Tris PAGE result.
Activity	Immobilized Human ACE2, hFc Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for SARS-COV-2 Spike S1 (Omicron B.1.1.529) , His Tag with the EC50 of 0.8ug/ml determined by ELISA. See testing image for detail.
Product Tag	C-His
Expression System	HEK293
Purity	> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Endotoxin	Less than 1EU per ug by the LAL method.

Form	Lyophilized
Shipping	Shipped at ambient temperature.
Formulation	Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution	Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water.
Stability And Storage	-20 to -80°C for 12 months as supplied from date of receipt.；-80°C for 3 months after reconstitution.；Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.

	Immobilized Human ACE2, hFc Tag at 2ug/ml (100ul/well) on the plate. Dose response curve for SARS-COV-2 Spike S1 (Omicron B.1.1.529) , His Tag with the EC50 of 0.8ug/ml determined by ELISA.
	SARS-COV-2 Spike S1 (Omicron B.1.1.529) on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
	The purity of SARS-COV-2 Spike S1 (Omicron B.1.1.529) is greater than 95% as determined by SEC-HPLC.