LIV-1205 (CBA-1205) is a humanized antibody expressed in CHO cells that targets DLK1. LIV-1205 (CBA-1205) contains a huIgG1 type heavy chain and a huκ type light chain, with a predicted molecular weight (MW) of 150 kDa. The isotype control for LIV-1205 (CBA-1205) can be referenced as Human IgG1 kappa, Isotype Control.