Basiliximab: (1) Immunoglobulin G~1~, anti-(human interleukin 2 receptor)(human-mouse monoclonal CHI621 γ1-chain), disulfide with human-mouse monoclonal CHI621 light chain, dimer; (2) Immunoglobulin G~1~ (human-mouse monoclonal CHI621 heavy chain antihuman interleukin 2 receptor), disulfide with human-mouse monoclonal CHI621 light chain, dimer. CAS-179045-86-4 (1998).