SARS-CoV-2 IgG ELISA Kit (N Protein, Nucleocapsid Protein)
Application: The human IgG antibody detection kit with indirect ELISA method is used for qualitative detection or semi-quantitative measurement of human IgG antibodies specific for the SARS-CoV-2 nucleocapsid (N) protein in serum or plasma.Accession: QHD43416.1Predicted molecular mass: 160.7 kDa.Endotoxin: Less than 1 EU per ug by the LAL method.Formulation: The recombinant SARS-CoV-2 Spike S protein was lyophilized from 0.22 um filtered solution in 20 mM PB (pH 7.4). Normally 5% trehalose is added as protectant before lyophilization.Purity: > 95% by PAGE under reduced condition, and SEC-HPLC.Shipping: The product is shipped with ice packs. Upon receipt, store it immediately at the temperature recommended below.Stability & Storage:Use a manual defrost freezer and avoid repeated freeze-thaw cycles.1 month from date of receipt, 2 to 8°C as supplied.
Background
The virus causing Coronavirus Disease 2019 (COVID-19) was named 2019 novel coronavirus (2019-nCoV) or severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). There are four major structural proteins in SARS-CoV-2, spike (S), envelope (E), membrane (M), and nucleocapsid (N) proteins.