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2019-nCoV S1 Protein ELISA Kit

Catalog No. C19SD-876

96 Reactions Per Kit

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The 2019-nCoV S1 Protein detection Kit is a direct Enzyme-Linked ImmunoSorbent Assay (ELISA) kit for the measurement and detection of Coronavirus Spike Protein in complex biological samples. The kit includes one 96-well strip plate pre-coated with recombinant human ACE2 protein. Calibration controls are included to allow quantitative determinations of Coronavirus Spike Protein RBD levels in test samples, including 2019-nCoV and SARS-CoV.


SignalChem Cat# Component Name Size Storage
CP02-A51C2ACE2 Coated Plate1 plateStore kit and contents at 4oC for up to 6 months. Store unused multi well strips in the provided resealable bag and use within one month after opening.
C19SD-CAL02019-nCoV Spike protein RBD Calibrator 01 ml x 1 vial
C19SD-CAL12019-nCoV Spike protein RBD Calibrator 11 ml x 1 vial
C19SD-CAL2 2019-nCoV Spike protein RBD Calibrator 21 ml x 1 vial
C19SD-CAL32019-nCoV Spike protein RBD Calibrator 31 ml x 1 vial
C19S1-61DHAnti-nCoV S antibody, HRP10 ml x 1 vial
CS02-506One-Step TMB Substrate10 ml x 1 vial
E01-09nCoV-ELISA Sample Dilution Buffer10 ml x 2 vials
WB20-09Wash Buffer, 20X15 ml x 2 vials
SS01-09Stop Solution6 x 1 vial


1. Zhou P, et al: A pneumonia outbreak associated with a new coronavirus of probable bat origin. Nature. 2020, 579:270-89.

2. Xiao X, et al: The SARS-CoV S glycoprotein. Cell Mol Life Sci. 2004, 61 (19-20): 2428-30.

3. Lan J, et al: Crystal structure of the 2019-nCov Spike receptor-binding domain bound with the ACE2 receptor. bioRxiv. doi: https://doi.org/10.1101/2020.02.19.956235.

Representative Data:

The 2019-nCoV Spike protein concentration of a biological sample may be calculated using the Calibrator by generating a standard curve that correlates the measured O.D. values.

Related Products:

Name Catalog Number Species Tag Expression System Sequence Genbank Number
2019-nCoV Spike protein RBD, HIS TagC19SD-G241HSARS-CoV-2HISCHO cells319-541MN908947
2019-nCoV Spike protein RBD, Fc TagC19SD-G241FSARS-CoV-2FcCHO cells319-541MN908947
2019-nCoV Spike protein S1, HIS TagC19S1-G241HSARS-CoV-2HISCHO cells16-685MN908947
2019-nCoV Spike protein S1, Fc TagC19S1-G241FSARS-CoV-2FcCHO cells16-685MN908947
Anti 2019-nCoV Spike Protein hIgG AntibodyC19S1-61HHuman, IgG1CHO cells
2019-nCoV S1 Human IgG ELISA KitC19S1-877
2019-nCoV S1 Human IgA ELISA KitC19S1-A877
2019-nCoV S1 Human IgM ELISA KitC19S1-M877
2019-nCoV S1 Human IgG-IgA-IgM ELISA KitC19S1-P877
2019-nCoV N-S1 Human IgA ELISA KitC19NS1-A877
2019-nCoV N-S1 Human IgG ELISA KitC19NS1-877
2019-nCoV N-S1 Human IgG-IgA-IgM ELISA KitC19NS1-P877
2019-nCoV N-S1 Human IgM ELISA KitC19NS1-M877
2019-nCoV Neutralization ELISA KitC19SD-N887

Assay Workflow:

Technical Manual:

CoA Sheet:


There are no related publications available for this product.


  2019-nCoV Spike protein RBD, HIS Tag, C19SD-G241H

  2019-nCoV Spike protein S1, HIS Tag, C19S1-G241H

  2019-nCoV S1 Human IgA ELISA Kit, C19S1-A877

  2019-nCoV Neutralization ELISA Kit, C19SD-N887



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