Cat#:RP-258A;Product Name:Recombinant MERS-CoV (NCoV / Novel coronavirus) Spike Protein fragment (aa 383-502, Fc Tag);Synonym:S;Description:A DNA sequence encoding the spike protein fragment (Human betacoronavirus 2c EMC/2012)( AFS88936.1)(Cys383-Lys502) was fused with Fc region of mouse IgG at the C-terminus.;Source:Baculovirus-Insect Cells;Predicted N Terminal:Cys 383;Molecular Characterization:The recombinant spike protein fragment (Human betacoronavirus 2c EMC/2012) comprises 354 amino acids and has a predicted molecular mass of 39.7 kDa. It migrates as an approximately 44 kDa band in SDS-PAGE under reducing conditions.;Purity:Greater than 85 % as determined by SDS-PAGE;Endotoxin:< 1.0 EU per ug of the protein as determined by the LAL method;Bioactivity:Please contact us for detailed information;Formulation:Lyophilized from sterile 100mM Glycine, 10mM Nacl, pH 7.0.;Stability:Recombinant Proteins are stable for up to 1 year from date of receipt at -70℃;Reconstitution:Please see related COA for specific instructions.;Storage:Avoid repeated freeze-thaw cycles. In lyophilized state for 1 year (4-8℃); Upon reconstitution under sterile conditions for 2 weeks (4-8℃) or 3 months (-20℃ to -70℃).;