Name: SARS-COV-2 Spike S1 NTD Protein (COV-VM1SN)
Brand: KactusBio
SKU: COV-VM1SN-100UG
Price: 363.0 USD
Availability: InStock

SARS-COV-2 Spike S1 NTD Protein (COV-VM1SN)

SARS-COV-2 Spike S1 NTD on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

The purity of SARS-COV-2 Spike S1 NTD is greater than 95% as determined by SEC-HPLC.

Express System: HEK293
Product Tag: C-His-Flag
Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Amino Acid Range: Val16-Ser305

Catalog #COV-VM1SN

Size

100UG

500UG

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Product Description	Recombinant SARS-COV-2 Spike S1 NTD Protein is expressed from HEK293 with His tag and Flag tag at the C-Terminus.It contains Val16-Ser305.
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 NTD
Synonyms	S1 protein NTD,Spike glycoprotein Subunit1 NTD,S glycoprotein Subunit1 NTD,Spike protein S1 NTD
Accession	QHD43416.1
Species	SARS-COV-2
Biotinylated	no
Amino Acid Range	Val16-Ser305
Molecular Weight	The protein has a predicted MW of 35 kDa. Due to glycosylation, the protein migrates to 55-70 kDa based on Bis-Tris PAGE result.
Product Tag	C-His-Flag
Expression System	HEK293
Purity	> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
Endotoxin	Less than 0.1EU 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.

	SARS-COV-2 Spike S1 NTD on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.
	The purity of SARS-COV-2 Spike S1 NTD is greater than 95% as determined by SEC-HPLC.