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SARS-CoV-2 Spike Glycoprotein (Trimeric), His-Tag (CHO)
SARS-CoV-2 trimeric spike glycoprotein is manufactured in CHO cells to high yield and purity. Protein has proline substitutions at residues 986 and 987, a GSAS substitution at the furin cleavage site (residues 682–685), and a C-terminal His-tag. HRP conjugated protein also available. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Spike Glycoproteins (S1), Sheep Fc-Tag (HEK293/CHO Cell Duo Pack)
This SARS-CoV-2 Spike Duo Pack contains recombinant subunit 1 (S1) proteins manufactured in both HEK293 and CHO cells, for comparative analysis of expression host-cell differences, including post-translational modifications (PTMs) such as glycosylation. These proteins can be used in conjunction to investigate glycan-dependent differences in ACE2 binding affinities and susceptibility to neutralization by monoclonal antibodies or polyclonal sera.
SARS-CoV-2 Spike Glycoproteins (S2), Sheep Fc-Tag (HEK293/CHO Cell Duo Pack)
This SARS-CoV-2 Spike Duo Pack contains recombinant subunit 2 (S2) proteins manufactured in both HEK293 and CHO cells, for comparative analysis of expression host-cell differences, including post-translational modifications (PTMs) such as glycosylation. These proteins can be used in conjunction to investigate glycan-dependent differences in ACE2 binding affinities and susceptibility to neutralization by monoclonal antibodies or polyclonal sera.
SARS-CoV-2 Spike N-Terminal Domain (NTD), His-Tag (HEK293)
Recombinant SARS-CoV-2 Spike protein N-terminal domain (NTD). This domain shows the lowest sequence ID compared to SARS-CoV Spike protein. The protein is produced in HEK293 cells and purified from culture supernatant by affinity chromatography. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Spike N-Terminal Domain (NTD), Sheep Fc-Tag (HEK293)
Recombinant SARS-CoV-2 Spike protein N-terminal domain (NTD) is manufactured in HEK293 cells and purified to greater than 95% purity from culture supernatant with a sheep Fc-tag. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Spike-E-M Mosaic Protein, His-Tag (E. coli)
SARS-CoV-2 Spike-E-M Mosaic protein is a recombinant antigen manufactured in E. coli with greater than 95% purity, and containing the Spike (S), Envelope (E) and Membrane (M) immunodominant regions. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
SARS-CoV-2 Stabilized Spike Glycoprotein (Full-Length), His-Strep-Tag (HEK293)
SARS-CoV-2 Stabilized Spike (full-length) is a recombinant antigen which contains 6 mutations in S2 which stabilises the protein as a pre-fusion trimer. The protein was produced according to Hsieh et al. in HEK293 cells and purified from culture supernatant by affinity chromatography. SARS-CoV-2, previously known as the 2019 Novel Coronavirus (2019-nCoV), causes the pandemic COVID-19 disease.
Severe Fever with Thrombocytopenia Syndrome Virus Nucleoprotein
Recombinant Severe Fever with Thrombocytopenia Virus Nucleoprotein incorporating a N-terminal 6xHis-tag expressed in mammalian HEK293 mammalian cells, at 95% purity.
Sheep Anti- Ebola Virus
Sheep polyclonal antibody raised against Ebola virus VLPs, purified by Protein G affinity chromatography.
Sheep Anti-Chikungunya Virus
Sheep polyclonal antibody raised against Chikungunya virus VLPs, purified by Protein G affinity chromatography.
Sheep Anti-CMV Pentamer
Sheep polyclonal antibody raised against Cytomegalovirus Pentamer protein, purified by Protein G affinity chromatography.
Streptococcus Pneumoniae Antigen, Native Extract
Streptococcus pneumoniae antigen (native extract), harvested from culture and inactivated.
Sudan Ebola virus Boniface 1976 Glycoprotein (GP)
Sudan Ebola Virus (SEBOV) Boniface 1976 Envelope Glycoprotein (GP) is a recombinant protein produced in HEK293 cells. SEBOV GP has been developed for use in immunoassay and vaccine development.
Tetanus Toxin, Recombinant Heavy Chain Fragment C
Tetanus toxin, heavy chain fragment C is a recombinant protein that is devoid of the toxin’s enzymatic activity but contains the binding site necessary for uptake of the toxin by neurons, and is the most immunogenic part of the toxin. Fragment C contains the powerful T cell epitopes of tetanus toxin without the toxicity.
Tick-Borne Encephalitis Virus (Far Eastern) NS1 Protein
Recombinant Tick-Borne Encephalitis Virus (Far Eastern) NS1 protein produced in mammalian HEK293 human cells, incorporating a C-terminal 6x His-tag. Purity greater than 90%.
Tick-Borne Encephalitis Virus (European)NS1 Protein
Recombinant Tick-Borne Encephalitis Virus European (European) NS1 protein produced in mammalian HEK293 human cells, incorporating a C-terminal 6x His-tag. Purity greater than 90%.
Tick-Borne Encephalitis Virus (Siberian) NS1 Protein
Recombinant Tick-Borne Encephalitis Virus (Siberian) NS1 protein produced in mammalian HEK293 human cells, incorporating a C-terminal 6x His-tag. Purity greater than 90%.
Tick-Borne Encephalitis Virus Lysate (Strain Moscow B-4)
Tick-Borne Encephalitis Virus Lysate (Strain Moscow B-4) is a highly purified native antigen which has been manufactured for the detection of IgG and IgM antibodies against TBE. Custom sizes and bulk quantities available; please inquire here.
Toxoplasma Gondii Deoxycholate Lysate
concentrated source of Toxoplasma gondii tachyzoite antigens, lysed and inactivated with deoxycholate buffer.
Toxoplasma gondii IgG antigen, RH strain
A concentrated source of Toxoplasma gondii tachyzoite antigens, optimised for IgG detection.
Toxoplasma gondii IgM antigen
A highly purified source of Toxoplasma gondii membrane antigens, optimised for IgM detection.
Toxoplasma Gondii SAG2 Protein
Toxoplasma gondii SAG2 protein is a recombinant antigen manufactured in E. coli cells and is appropriate for use in immunoassay development and other applications.
Trichomonas Vaginalis Antigen
This Trichomonas antigen is supplied as washed and lysed purified Trichomonas vaginalis protozoa. Our Trichomonas antigens are suitable for IVD kit manufacture or research. Custom bulk quantities are also available on request.
Usutu Virus NS1 Protein
Recombinant Usutu Virus NS1 protein produced in mammalian HEK293 human cells, incorporating a C-terminal 6x His-tag. Purity greater than 95%.
Varicella-Zoster Virus Heterodimer gE/gI (HEK293), His-tag
Varicella Zoster virus glycoprotein E (gE) glycoprotein I (gI) heterodimer. The heterodimer is labelled with a C-terminal His-tag on gE only. The protein complex was produced in HEK293 cells and purified from culture supernatant by immobilised metal affinity chromatography.
Wesselsbron Virus NS1 Protein
Recombinant Wesselsbron virus NS1 protein produced in mammalian HEK293 cells, incorporating a C-terminal 6x His-tag.
West Nile Virus Envelope Protein
Recombinant West Nile Virus Envelope protein, comprising amino-acids 261-692 of the polyprotein and incorporating a C-terminal 6X His tag, produced in mammalain HEK293 human cells.
West Nile Virus Lysate (NY 2001-6263 strain)
Purified heat inactivated lysate of native West Nile Virus (NY 2001-6263 strain) infected Vero cells.
West Nile Virus NS1 Protein
Recombinant West Nile Virus NS1 protein produced in mammalian HEK293 human cells, incorporating a C-terminal 6x His-tag.
Yellow Fever virus Envelope C-terminal His-tag (Insect Cells)
Yellow Fever virus Envelope produced in Sf21 insect cells and purified from culture supernatant of recombinant baculovirus infected cells.
Yellow Fever Virus Envelope Protein, Sheep Fc-Tag
This Yellow Fever virus Envelope protein with sheep Fc-tag has been manufactured in insect cells in response to the need for a highly purified, concentrated protein for use in further vaccine development and serological based diagnostic assays.
Yellow Fever Virus Lysate (17D strain)
Purified heat inactivated lysate of native Yellow Fever Virus (17D strain) infected Vero cells.
Yellow Fever Virus NS1 Protein
Recombinant Yellow Fever Virus NS1 protein produced in mammalain HEK293 human cells, incorporating a C-terminal 6x His-tag.
Yellow Fever Virus Vaccine Serum: 12-Month (IgG) Bleed
Yellow Fever Virus donor serum obtained from a recipient of Yellow Fever vaccine (17D strain), 12 months post immunisation.
Yellow Fever Virus Vaccine Serum: 2-Week (IgM) Bleed
Unique panel of Yellow Fever Virus donor serum, from a panel of donors immunised with the Yellow Fever vaccine, Stamaril. Samples are available from each donor prior to vaccination, and at 2-week and 6-week time points, to allow for assessment of IgM and IgG responses across broad response profiles. See donor selection table for donor details and travel history.
Yellow Fever Virus Vaccine Serum: 6-Month (IgG) Bleed
Yellow Fever Virus donor serum obtained from a recipient of Yellow Fever vaccine (17D strain), 6 months post immunisation.
Yellow Fever Virus Vaccine Serum: 6-Week (IgG) Bleed
unique panel of Yellow Fever Virus donor serum, from a panel of donors immunised with the Yellow Fever vaccine, Stamaril. Samples are available from each donor prior to vaccination, and at 2-week and 6-week time points, to allow for assessment of IgM and IgG responses across broad response profiles. See donor selection table for donor details and travel history.
Yellow Fever Virus Vaccine Serum: Pre-Vaccination Bleed
Yellow Fever Virus Donor Serum from pre-vaccination bleed. See donor selection table for donor details and travel history.
Yellow Fever Virus Vaccine Serum: Vaccination Time-Course Panel
Yellow Fever Virus Vaccine Serum triple pack of samples from an individual who was immunised with the Yellow Fever vaccine Stamaril (17D strain). The first vial is a pre-bleed sample, taken one week before the immunisation. The second vial is an “IgM” vial, taken 2 weeks post immunisation. The third vial is an “IgG” vial taken 6 weeks post immunisation.
Yersinia pestis chain B F1 capsule antigen, C-terminal His-tag
Our Yersinia pestis chain B F1 capsule antigen, purified from inclusion bodies using immobilised metal affinity chromatography and dialysis, allows for further research into the immunisation strategy of this re-emerging infectious disease and the development of efficient, rapid diagnostic tools.
Yersinia pestis V antigen
Yersinia pestis V antigen (LcrV antigen, capsule protein fraction 1, type III secretion system needle tip protein). The protein is produced as an N-terminal GST fusion, with GST being cleaved by thrombin and is not present in the final product.
Zika Virus DIII Envelope Protein (Asian Strain)
Recombinant Zika Virus domain III (DIII) Envelope protein (Asian strain), produced in E. coli at
Zika Virus Envelope Protein (Suriname strain)
Recombinant Zika virus envelope protein expressed in HEK293 mammalian cells, with C terminal 6-His tag.
Zika Virus Lysate (PRVABC59 Strain)
Purified heat inactivated Lysate of native Zika virus (PRVABC59 strain) infected LLC-mk2 or Vero cells.
Zika Virus NS1 Protein (Suriname Strain)
Recombinant Zika Virus (Suriname strain) NS1 protein, incorporating a C-terminal 6x His tag produced in mammalian HEK293 cells.
Zika Virus NS1 Protein (Uganda Strain)
Recombinant Zika Virus (Uganda strain) NS1 protein, incorporating a C-terminal 6x His tag produced in mammalian HEK293 cells.
Zika Virus NS1 Proteins (Uganda/Suriname Strains Duo Pack)
Recombinant Zika Virus NS1 protein, with C-terminal 6xHis tags, produced in mammalian HEK293 ells. One vial each of Zika NS1 from Suriname and Uganda strains.
Zika Virus Total Antibody Detection Assay Development Kit
The Native Antigen Company Zika virus total antibody assay development kit is designed to aid in the development of assays for the detection of Zika-specific antibodies in human serum. It is minimally cross-reactive with antibodies to Dengue virus (a closely-related flavivirus), and so can be used to develop assays which can distinguish human anti-Zika antibodies from other flavivirus and infectious disease antibodies, especially in epidemiological studies. Use of a Zika antibody assay is intended for detection of IgG in convalescent sera, although IgM/IgA are also detected earlier on in the infection cycle.
Zika Virus Vero Cell Lysate
Lysate of native Zika virus infected Vero cells.
Zika Virus VLP
Recombinant Zika virus-like particles consisting of Envelope, pre-Membrane and Membrane protein produced in mammalian HEK293 human cells.
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