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Home / Proteins & Peptide

Recombinant 2019-nCoV S1 Protein (His Tag)(D614G)(Active)

SKU : BHP10306110

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Elabscience Biotechnology Co.,Ltd

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Mfr.No.	PKSR030531
Description	A DNA sequence encoding the SARS-CoV-2 (2019-nCoV) Spike S1(D614G)-His Recombinant Protein (YP_009724390.1) (Val16-Arg685(D614G)) was expressed with a polyhistidine tag at the C-terminus.
Alternative Names	coronavirus spike; cov spike; ncov RBD; ncov s1; ncov s2; ncov spike; NCP-CoV RBD; NCP-CoV s1; NCP-CoV s2; NCP-CoV Spike; novel coronavirus RBD; novel coronavirus s1; novel coronavirus s2; novel coronavirus spike; RBD; S1; S2; Spike RBD
Reconstitution	Please refer to the printed manual for detailed information.
Background	The spike (S) glycoprotein of coronaviruses contains protrusions that will only bind to certain receptors on the host cell. Known receptors bind S1 are ACE2, angiotensin-converting enzyme 2; DPP4, dipeptidyl peptidase-4; APN, aminopeptidase N; CEACAM, carcinoembryonic antigen-related cell adhesion molecule 1; Sia, sialic acid; O-ac Sia, O-acetylated sialic acid. The spike is essential for both host specificity and viral infectivity. The term 'peplomer' is typically used to refer to a grouping of heterologous proteins on the virus surface that function together. The spike (S) glycoprotein of coronaviruses is known to be essential in the binding of the virus to the host cell at the advent of the infection process. It's been reported that SARS-CoV-2 (COVID-19 coronavirus, 2019-nCoV) can infect the human respiratory epithelial cells through interaction with the human ACE2 receptor. The spike protein is a large type I transmembrane protein containing two subunits, S1 and S2. S1 mainly contains a receptor binding domain (RBD), which is responsible for recognizing the cell surface receptor. S2 contains basic elements needed for the membrane fusion.The S protein plays key parts in the induction of neutralizing-antibody and T-cell responses, as well as protective immunity. The main functions for the Spike protein are summarized as: Mediate receptor binding and membrane fusion; Defines the range of the hosts and specificity of the virus; Main component to bind with the neutralizing antibody; Key target for vaccine design; Can be transmitted between different hosts through gene recombination or mutation of the receptor binding domain (RBD), leading to a higher mortality rate.
Reactivity	virus
Tag	C-His
Formulation	Lyophilized from sterile PBS,pH 7.4
Host	HEK293 Cells
Accession Number	YP_009724390.1
Endotoxin Level	< 1.0 EU per ?g protein as determined by the LAL method.
Bioactivity	Measured by its binding ability in a functional ELISA. Recombinant Human ACE2 Protein (mFc Tag)(Active)(Cat#PKSR030509) at 2 ug/mL (100 uL/well) can bind Recombinant 2019-nCoV S1 Protein (His Tag)(D614G)(Active)(Cat#PKSR030531), the EC50 of PKSR030531 is 350-650 ng/mL.
Mol Weight	76.41 kDa
Mw(kda)	76.41 kDa

Sequence Info	Val16-Arg685(D614G)

Shipping	This product is provided as lyophilized powder which is shipped with ice packs.
Stotage Note	0
Purity	> 90 % as determined by reducing SDS-PAGE.

Product Manual	Data Sheet

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SKU	Supplier No.	Size	Your price	Quantity
BHP10306110	PKSR030531	100ug	$1105		Add to Cart

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