Anti-Spike S1 Antibody (NCOV-S1P14-Fc) is a mouse immunized antibody, targeting specific SARS-CoV-2 Spike protein RBD domain. It can be paired with other Anti-SARS-CoV-2 Spike S1 antibodies to detect SARS-CoV-2 Spike S1 protein. MW :80 KD.