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Recombinant Human IgE (kappa L), His-Tag
Recombinant human IgE (kappa L) protein is composed of the human Ɛ heavy chain and the Ƙ light chain. The heavy chain is C-terminally His-tagged. For use as a standard in assays or as a control antibody.
Recombinant Human IgE-Fc Domain
Recombinant human IgE-Fc domain, a human immunoglobulin epsilon heavy chain constant region (IgE-Fc), manufactured in mammalian cells. Recommended as an immunogen to generate antibodies against human anti-IgE-Fc, a standard/control for human IgE-Fc assays or other human IgE-Fc domain applications.
Recombinant Mouse IgE-Fc Domain
Recombinant mouse IgE-Fc domain, a mouse immunoglobulin epsilon heavy chain constant region (IgE-Fc), manufactured in mammalian cells. Recommended as an immunogen to generate antibodies against mouse anti-IgE-Fc, a standard/control for mouse IgE-Fc assays or other mouse IgE-Fc domain applications.
Respiratory Syncytial Virus A Glycoprotein G (RSV A gG)
Recombinant Respiratory Syncytial Virus A glycoprotein G, comprising amino acids 67-297, and incorporating a C-terminal 6xHis tag, produced in mammalian HEK293 cells.
Respiratory Syncytial Virus A Glycoprotein G, Human Fc-tag
Recombinant Respiratory Syncytial Virus A glycoprotein G produced in HEK293 cells with C-terminal human Fc-tag.
Respiratory Syncytial Virus A Glycoprotein G, Mouse Fc-tag
Recombinant Respiratory Syncytial Virus A glycoprotein G produced in HEK293 cells with C-terminal mouse Fc-tag. Greater than 95% purity by SDS-PAGE.
![Influenza B [B/Washington/02/2019] NA Respiratory Syncytial Virus A Lysate](https://thenativeantigencompany.com/wp-content/uploads/2020/12/Coronavirus-45-300x300.jpg)
Respiratory Syncytial Virus A Lysate
Respiratory Syncytial Virus A Lysate is purified from Vero cells using sucrose density gradient ultracentrifugation, disrupted in the presence of detergent and heat inactivated. Viral lysates can be utilized as an antigen, as a source for the purification of viral proteins, or for the detection of viral antibodies.
Respiratory Syncytial Virus B Lysate
Respiratory Syncytial Virus B Lysate is purified from Vero cells using sucrose density gradient ultracentrifugation, disrupted in the presence of detergent and heat inactivated. Viral lysates can be utilized as an antigen, as a source for the purification of viral proteins, or for the detection of viral antibodies.
Rhinovirus Type 1A Lysate
Rhinovirus type 1A lysate produced from MRC-5 or HeLa cells. Purified using sucrose density gradient ultracentrifugation, heat-inactivated and tested for absence of viral growth in validate tissue culture infectivity assays.
Rift Valley Fever Virus Nucleoprotein
Recombinant Rift Valley Fever Virus Nucleoprotein, comprising amino acids 2-245 and incorporating an N-terminal His-tag, expressed in mammalian HEK293 cells.
Ross River Virus Recombinant Antigen
Recombinant Ross River virus structural polyprotein (sequence strain T48) expressed in HEK293 cells and purified from culture supernatant using density gradient centrifugation and polyethylene glycol precipitation.
Rotavirus VP7 Protein, Sheep Fc-Tag
Rotavirus (RVA/Vaccine/USA/Rotarix-AROLA490AB/1988/G1P1A[8]) VP7 protein is expressed in HEK293 cells and purified from culture supernatant by Protein G and ion exchange chromatography.
Rubella Spike Glycoprotein E1 (Strain F-Therien)
Recombinant Rubella spike glycoprotein E1 (strain F-Therien), produced in mammalian HEK293 cells.
Rubella Virus Nucleoprotein (Strain F-Therien)
Recombinant Rubella Nucleoprotein (strain F-Therien), produced in mammalian HEK293 cells.
Rubella Virus VLP Gen.2
Recombinant Rubella (strain F-Therien) virus-like particles consisting of spike glycoprotein E1, spike glycoprotein E2 and Capsid protein, produced in mammalian HEK293 cells. The Native Antigen Company have redeveloped the Rubella VLP offering a second-generation product of higher quality and reproducibility. Contact us for the bulk inquiry discount.
Saint Louis Encephalitis Virus NS1 Protein
Recombinant Saint Louis encephalitis virus NS1 protein produced in HEK293 cells, incorporating a C-terminal 6x His-tag.
Salmonella Typhi Hemolysin E (HlyE) Protein, His-Tag (E. coli)
Salmonella typhi Hemolysin E protein is a recombinant antigen manufactured to high purity in E. coli cells for immunoassay development and other applications.
Salmonella Typhi Outer Membrane Protein (OMP), His-Tag (E. coli)
Salmonella typhi Outer Membrane Protein (OMP) is a recombinant antigen manufactured to high purity in E. coli cells for immunoassay development and other applications.
SARS Coronavirus Envelope Protein (E. coli)
SARS Coronavirus Envelope Protein is a recombinant antigen which contains the N-terminus (1-76 amino acids) of the Envelope protein immunodominant regions. It is manufactured in E. coli and is immunoreactive with sera from SARS-infected individuals.
SARS Coronavirus Membrane Protein (Matrix) (E. coli)
SARS Coronavirus Membrane Protein (Matrix) is a recombinant protein (also known as E1 glycoprotein or Matrix) manufactured in E. coli. Protein contains duplicate Membrane immunodominant region sequences fused with a proprietary linker and His-tag. Immunoreactive with sera from SARS-infected individuals.
SARS Coronavirus Nucleoprotein (C-Term) (E. coli)
SARS Coronavirus Nucleoprotein (C-Term) is a recombinant protein (also known as the nucleocapsid core antigen) comprising amino acids 340-390 immunodominant regions. it is manufactured in E. coli, with Immunoreactive with sera from SARS-infected individuals with minimum specificity problems.
SARS Coronavirus Nucleoprotein (N-Term) (E. coli)
SARS Coronavirus Nucleoprotein (N-Term) is a recombinant protein (also known as the nucleocapsid core antigen) comprising amino acids 1-49 immunodominant regions. It is manufactured in E. coli and immunoreactive with sera from SARS-infected individuals.
SARS Coronavirus Nucleoprotein, His-Tag (HEK293)
SARS Coronavirus Nucleoprotein (AA 2-422) is a recombinant antigen manufactured in HEK293 cells for use in vaccine research and immunoassay development.
SARS Coronavirus Spike Glycoprotein (S1), His-Tag (HEK293)
SARS Coronavirus Spike Glycoprotein (S1) is a recombinant antigen which contains amino acids 1-666 of S1 subunit. It is manufactured in mammalian HEK293 cells with
SARS-CoV-2 (B.1.1.28) Spike Glycoprotein (S1) RBD, His-Tag (HEK293)
BRAZILIAN (GAMMA) VARIANT SARS-CoV-2 spike receptor binding domain (RBD) from Brazilian variant. Contains amino acid changes K417T, E484K, N501Y relative to Wuhan Hu-1. The protein was produced in HEK293 cells and purified from culture supernatant. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.1.28/P.1) Stabilized Spike Glycoprotein (Full-Length), His-Strep-Tag (HEK293)
BRAZILIAN (GAMMA) VARIANT Pre-fusion stabilized SARS-CoV-2 Spike protein of the virus variant B.1.1.28/P1 (Brazilian variant) containing amino acid changes L18F, T20N, P26S, D138Y, R190S, K417T, E484K, N501Y, D614G, H655Y, T1027I, V1176F relative to Wuhan Hu-1. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.1.529/Omicron) Nucleoprotein, His-Tag (E. coli)
OMICRON VARIANT SARS-CoV-2 (B.1.1.529/Omicron) nucleoprotein is a recombinant Omicron NP expressed and purified from E. coli. Compared to wild type SARS-CoV-2 nucleoprotein, Omicron nucleoprotein has the following mutations, P13L, ∆31-33, R203K, G204R. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.1.529/Omicron) Spike Glycoprotein (S1) RBD, His-Tag (HEK293)
OMICRON VARIANT SARS-CoV-2 (B.1.1.529/Omicron) Spike RBD (receptor binding domain) protein. Relative to Wuhan-Hu-1 this protein has following amino acid changes: G339D, S371L, S373P, S375F, K417N, N440K, G446S, S477N, T478K, E484A, Q493R, G496S, Q498R, N501Y, Y505H. Biotinylated protein also available. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.1.529/Omicron) Spike Glycoprotein (S1), Sheep Fc-Tag (HEK293)
OMICRON VARIANT SARS-CoV-2 (B.1.1.529/Omicron) Spike subunit 1 protein. Relative to Wuhan-Hu-1 this protein has following amino acid changes: A67V, H69del, V70del, T95I, G142D, V143del, Y144del, Y145del, N211del, L212I, ins214EPE, G339D, S371L, S373P, S375F, K417N, N440K, G446S, S477N, T478K, E484A, Q493R, G496S, Q498R, N501Y, Y505H, T547K, D614G, H655Y. Biotinylated protein available. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.1.529/Omicron) Stabilized Spike Glycoprotein (Trimeric), His-Strep-Tag (HEK293)
OMICRON VARIANT SARS-CoV-2 (B.1.1.529/Omicron) stabilized spike recombinant protein. Relative to Wuhan-Hu-1 the protein has amino acid changes A67V, H69del, V70del, T95I, G142D, V143del, Y144del, Y145del, 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. The furin cleavage site has been altered to GSAS, and the protein has 6 amino acid changes in the S2 portion to stabilize trimer formation, commonly known as HexaPro. The C-terminus contains a T4 foldon domain. Biotinylated protein available. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.1.7 + E484K) Stabilized Spike Glycoprotein (Full-Length), His-Strep-Tag (HEK293)
UNITED KINGDOM (ALPHA) VARIANT Pre-fusion stabilized SARS-CoV-2 Spike protein of the 'New Kent'; variant B.1.1.7 containing amino acid change E484K (in addition to 69-70del, Y144del, N501Y, A570D, P681H, T716I, S982A, D1118H). SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease. Lineage B.1.1.7 (Variant of Concern 202012/01) is correlated with a significant increase in the rate of COVID-19 infection in the UK.
SARS-CoV-2 (B.1.1.7) Stabilized Spike Glycoprotein (Full-Length), His-Strep-Tag (HEK293)
UNITED KINGDOM (ALPHA) VARIANT SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease. Lineage B.1.1.7 (Variant of Concern 202012/01) is correlated with a significant increase in the rate of COVID-19 infection in the UK and includes amino acid substitutions 69-70del, Y144del, N501Y, A570D, P681H, T716I, S982A, D1118H relative to the prototypic Wuhan-Hu-1 strain.
SARS-CoV-2 (B.1.351) Stabilized Spike Glycoprotein (Trimeric), His-Strep-Tag (HEK293)
SOUTH AFRICAN (BETA) VARIANT SARS-CoV-2 (B.1.351) stabilized spike glycoprotein, from the South Africa variant. It contains amino acid changes L18F, D80A, D215G, del242-244, K417N, E484K, N501Y, D614G, and A701V, relative to Wuhan-Hu-1. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.351/501.V2) Stabilized Spike Glycoprotein (Full-Length), His-Strep-Tag (HEK293)
SOUTH AFRICAN (BETA) VARIANT SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease. The B.1.351/501.V2 variant, also known as 501.V2, 20H/501Y.V2 (formerly 20C/501Y.V2), was first detected in South Africa and includes the amino acid substitutions D80A, D215G, K417N, E484K, N501Y and A701V relative to the prototypic Wuhan-Hu-1 strain.
SARS-CoV-2 (B.1.351/501Y.V2) Spike Glycoprotein (S1) RBD, His-Tag (HEK293)
SOUTH AFRICAN (BETA) VARIANT SARS-CoV-2 spike receptor binding domain (RBD) from South African variant. Contains amino acid changes K417N, E484K, N501Y relative to Wuhan Hu-1. The protein was produced in HEK293 cells and purified from culture supernatant. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.617.1) Spike Glycoprotein (S1) RBD, His-Tag (HEK293)
KERALA (KAPPA) VARIANT SARS-CoV-2 (B.1.617.1) RBD mutant from the Kerala variant. Contains amino acid changes E484Q, L452R relative to Wuhan Hu-1. The protein was produced in HEK293 cells and purified from culture supernatant. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.617.2; AY.1, AY.2, AY.3) Stabilized Spike Glycoprotein (Trimeric), His-Strep-Tag (HEK293)
INDIAN (DELTA) VARIANT SARS-CoV-2 (B.1.617.2; AY.1, AY.2, AY.3) stabilized Spike from the Indian (Delta) variant. Contains T19R, T95I, G142D, E156G, del157-158, W258L, N417K, L452R, T478K, D614G, P681R, D950N mutations. The protein was produced in HEK293 cells and purified from culture supernatant. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (B.1.617.2) Spike Glycoprotein (S1) RBD, His-Tag (HEK293)
INDIAN (DELTA) VARIANT SARS-CoV-2 (B.1.617.2) RBD mutant from the Delta variant. Contains amino acid changes L452R, T478K relative to Wuhan Hu-1. The protein was produced in HEK293 cells and purified from culture supernatant. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 (N501Y Mutant) Spike Glycoprotein (S1) RBD, His-Tag (HEK293)
UNITED KINGDOM (ALPHA) VARIANT SARS-CoV-2 (N501Y mutant) spike subunit 1 (S1) receptor binding domain (RBD) is a recombinant antigen manufactured in HEK293 cells to high purity. This antigen contains N501Y amino acid change relative to the Wuhan-Hu-1 isolate. The N501Y mutation has been reported to increase binding affinity to human ACE2. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 3C-Like Proteinase (3CLpro), Active
Active recombinant full-length SARS-CoV-2 3CLpro, part of the large replicase polyprotein 1ab (S3264-Q3569), expressed in E. coli cells with an N-terminal His-tag. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Neutralization Assay Development Kit (Brazilian Variant RBD-ACE2)
BRAZILIAN VARIANT This SARS-CoV-2 Neutralization Assay Development Kit (BZ variant RBD-ACE2) is intended for the identification and qualitative measurement of neutralizing antibodies. Kit contains enough reagents for 10 x 96-well plates. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Neutralization Assay Development Kit (Delta Variant RBD-ACE2)
DELTA VARIANT This SARS-CoV-2 Neutralization Assay Development Kit (Delta variant RBD-ACE2) is intended for the identification and qualitative measurement of neutralizing antibodies. Kit contains enough reagents for 10 x 96-well plates. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Neutralization Assay Development Kit (Kerala Variant RBD-ACE2)
KERALA (KAPPA/B.1.617.1) VARIANT This SARS-CoV-2 Neutralization Assay Development Kit (Kerala variant RBD-ACE2) is intended for the identification and qualitative measurement of neutralizing antibodies. Kit contains enough reagents for 10 x 96-well plates. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Neutralization Assay Development Kit (Lambda Variant RBD-ACE2)
LAMBDA VARIANT This SARS-CoV-2 Neutralization Assay Development Kit (Lambda variant RBD-ACE2) is intended for the identification and qualitative measurement of neutralizing antibodies. Kit contains enough reagents for 10 x 96-well plates. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Neutralization Assay Development Kit (South African Variant RBD-ACE2)
SOUTH AFRICAN VARIANT This SARS-CoV-2 Neutralization Assay Development Kit (SA variant RBD-ACE2) is intended for the identification and qualitative measurement of neutralizing antibodies. Kit contains enough reagents for 10 x 96-well plates. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Neutralization Assay Development Kit (United Kingdom Variant RBD-ACE2)
UNITED KINGDOM (UK) VARIANT This SARS-CoV-2 Neutralization Assay Development Kit (UK variant RBD-ACE2) is intended for the identification and qualitative measurement of neutralizing antibodies. Kit contains enough reagents for 10 x 96-well plates. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 NSP1 Protein, His-Tag (E. coli)
SARS-CoV-2 NSP1 protein, His-tag is a recombinant viral protein expressed in E. coli. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 NSP10/NSP16 Methyltransferase, Active
SARS-CoV-2 NSP10/NSP16 methyltransferase is an active recombinant protein expressed in E. coli using a C-terminal His tag. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 NSP14 Methyltransferase, Active
SARS-CoV-2 NSP14 methyltransferase is an active recombinant protein expressed in E. coli using a C-terminal His tag. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 NSP7 Protein, His-Tag (E. coli)
SARS-CoV-2 NSP7 protein, His-tag is a recombinant full-length viral protein expressed in E. coli. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
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