PF-5212374 (TRU-015) is a humanized antibody expressed in CHO, targeting CD20/MS4A1. PF-5212374 (TRU-015) has a huIgG1 type heavy chain and a huκ type light chain, with a predicted molecular weight (MW) of 145 kDa. The isotype control for PF-5212374 (TRU-015) can be referenced as Human IgG1 kappa, Isotype Control.