1. Complex: CD137 (4-1BB) in complex with llama single-domain antibody. 

• CATH

• Resolution: 3.1 Å

• Species: H. sapiens, Lama glama

2. Antigen: Cluster of differentiation 137, CD137, TNF receptor superfamily member 9, TNFRSF9 

• structure length (residues): 140

• mutations: No

• Uniprot

3. Antibody: 

• Isotype/subclass: IgG1

• Structure: Fab only

• structure length (residues): 127

• mutations: No

• disulfide bridges: 22-96

• CDR (residue numbering): 32, 37, 45, 50, 52, 55, 57, 59, 99, 102-104, 12, 115

RCSB PDB - 7D4B: Crystal structure of 4-1BB in complex with a VHH 

CD-137 in complex with anti-4-1BB antibody (310K, 37°C, 100 ns)   RMSD, SASA, RMSF, Rg, H-bonds

CD-137 in complex with anti-4-1BB antibody (311K, 38°C, 100 ns)   RMSD, SASA, RMSF, Rg, H-bonds

CD-137 in complex with anti-4-1BB antibody (312K, 39°C, 100 ns)   RMSD, SASA, RMSF, Rg, H-bonds

CD-137 in complex with anti-4-1BB antibody (313K, 40°C, 100 ns)   RMSD, SASA, RMSF, Rg, H-bonds