8xr5

Crystal structure of PD-L1 complexed with small molecule inhibitor X18

Method: X-RAY DIFFRACTION Dmax: 68.7 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Programmed cell death 1 ligand 1

Homo sapiens

UniProt Q9NZQ7

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 19–134 Chain B; UniProt 19–134 Not recorded A1LV3 (2~{R})-2-[[2-(2,1,3-benzoxadiazol-5-ylmethoxy)-5-chloranyl-4-[[2-fluoranyl-3-[3-[3-(4-oxidanylpiperidin-1-yl)propoxy]phenyl]phenyl]methoxy]phenyl]methylamino]-3-oxidanyl-propanoic acid × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;289 K;19% PEG3350 and 0.2 M Ammonium tartrate dibasic Resolution 1.95 Å R-free 0.257

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

74 other PDB entries and 124 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PD1L1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–116; UniProt 19–134 Author chain B; PDBConstruct 1–116; UniProt 19–134

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 8xr5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8xr5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8xr5
Deposition date deposition_date2024-01-06
最后修订 last_revision2025-02-26
Structure title titleCrystal structure of PD-L1 complexed with small molecule inhibitor X18
Keywords keywordsProgrammed death-ligand 1, inhibitor, IMMUNOSUPPRESSANT, IMMUNOSUPPRESSANT-INHIBITOR complex; IMMUNOSUPPRESSANT/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier20.49
Radius of gyration Rg (electron density) rg_electron19.62
Forward intensity I(0) i026029200.00
Molecular weight molecular_weight26687.0 kDa
Excluded volume excluded_volume26150 ų
Envelope volume envelope_volume42688 ų
Hydration-shell volume shell_volume18493 ų
Envelope diameter envelope_diameter69.3
Shell Rg shell_rg25.85
Envelope Rg envelope_rg20.12
Shape Rg shape_rg19.53
Total Rg total_rg20.44
Total atoms total_atoms2059
Residues n_residues247
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax68.7
Rg (real space) rg_real20.46
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real2.6030e+07
I(0) uncertainty (real space) i0_real_error3.5200e+05
Rg (reciprocal space) rg_reciprocal20.47
I(0) (reciprocal space) i0_reciprocal26030000.0000
Solution quality estimate total_estimate0.7848
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary21.6
Skewness Skewness skewness0.273
Kurtosis Kurtosis kurtosis-0.502
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6062000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.769; Stabil: 0.970; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)