金山科研平台，产品价格货期咨询微信：jinshanbio Molecule Information: 4-1BB Ligand/TNFSF9 Aliases: CD137L; TNFSF9 Entrez Gene IDs: 8744 (Human); 21950 (Mouse) Background: 4-1BB Ligand/TNFSF9 4-1BB Ligand is a type II transmembrane glycoprotein belonging to the TNF superfamily (TNFSF) and has been designated TNFSF9. 4-1BB Ligand is predominantly expressed on activated antigen presenting cells such as B cells, macrophages and dendritic cells. It is also expressed on most Tand B lymphoma cell lines.