The V-PLEX SARS-CoV-2 Panel 13 (ACE2) Kit is a multiplex assay for antibodies that block the binding of ACE2 to Spike antigens from variants of SARS-CoV-2, including the Alpha, Beta, Gamma, Delta, and several emerging variants. Panel 13 has Spike antigens from the following lineages: A (WT), (B.1.1.7), (B.1.351), (B.1.526.1), (B.1.617), (B.1.617.1), (B.1.617.2), (B.1.617.3), (P.1), and (P.2).