SAR-113244 is a humanized antibody expressed in CHO, targeting CXCR5/CD185. SAR-113244 has a huIgG4SP type heavy chain and a huκ type light chain, with a predicted molecular weight (MW) of 144.1 kDa. The isotype control for SAR-113244 can refer to Human IgG1 kappa, Isotype Control.