7e9b

X-ray diffraction
1.78Å resolution

Structural basis of HLX10 PD-1 receptor recognition, a promising anti-PD-1 antibody clinical candidate for cancer immunotherapy

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-212043 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
heavy chain of Fab fragment of HLX10 Chain: H
Molecule details ›
Chain: H
Length: 215 amino acids
Theoretical weight: 22.83 KDa
Source organism: Homo sapiens
Expression system: Cricetulus griseus
light chain of Fab fragment of HLX10 Chain: L
Molecule details ›
Chain: L
Length: 214 amino acids
Theoretical weight: 23.46 KDa
Source organism: Homo sapiens
Expression system: Cricetulus griseus
Programmed cell death protein 1 Chain: C
Molecule details ›
Chain: C
Length: 115 amino acids
Theoretical weight: 12.92 KDa
Source organism: Homo sapiens
Expression system: Escherichia phage EcSzw-2
UniProt:
  • Canonical: Q15116 (Residues: 32-146; Coverage: 43%)
Gene names: PD1, PDCD1
Sequence domains: Immunoglobulin V-set domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL19U1
Spacegroup: P1
Unit cell:
a: 38.985Å b: 45.014Å c: 80.89Å
α: 93.6° β: 102.16° γ: 97.34°
R-values:
R R work R free
0.172 0.17 0.21
Expression systems:
  • Cricetulus griseus
  • Escherichia phage EcSzw-2