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Other names: TNFRSF9, TNF Receptor Superfamily Member 9, CD137, Tumor Necrosis Factor Receptor Superfamily Member 9, T-Cell Antigen 4-1BB Homolog, 4-1BB Ligand Receptor, CD137 Antigen, CDw137, ILA, Interleukin-Activated Receptor, Homolog Of Mouse Ly63, Tumor Necrosis Factor Receptor Superfamily, Member 9, Induced By Lymphocyte Activation (ILA), Homolog Of Mouse 4-1BB, Receptor Protein 4-1BB, T Cell Antigen ILA, T-Cell Antigen ILA, CD4, CD4 Molecule, T-Cell Surface Glycoprotein CD4, T-Cell Surface Antigen T4/Leu-3, CD4 Antigen (P55), CD4 Receptor, CD4 Antigen, CD4mut, IMD79, OKT4D