8k5n

Discovery of Novel PD-L1 Inhibitors That Induce Dimerization and Degradation of PD-L1 Based on Fragment Coupling Strategy

Method: X-RAY DIFFRACTION Dmax: 62.5 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 18–134 Chain B; UniProt 18–134 Not recorded I7M 3-[(1~{S})-1-[6-methoxy-3-methyl-5-[[[(2~{S})-5-oxidanylidenepyrrolidin-2-yl]methylamino]methyl]pyridin-2-yl]oxy-2,3-dihydro-1~{H}-inden-4-yl]-2-methyl-~{N}-[5-[[[(2~{S})-5-oxidanylidenepyrrolidin-2-yl]methylamino]methyl]pyridin-2-yl]benzamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;289.15 K;Ammonium acetate, PEG 3350 Resolution 2.20 Å R-free 0.234

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 1–117; UniProt 18–134 Author chain B; PDBConstruct 1–117; UniProt 18–134

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 8k5n

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8k5n
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8k5n
Deposition date deposition_date2023-07-22
Structure title titleDiscovery of Novel PD-L1 Inhibitors That Induce Dimerization and Degradation of PD-L1 Based on Fragment Coupling Strategy
Keywords keywordsImmune checkpoint, Dimer, Small molecule inhibitor, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.58
Radius of gyration Rg (electron density) rg_electron18.62
Forward intensity I(0) i012257700.00
Molecular weight molecular_weight27025.0 kDa
Excluded volume excluded_volume34217 ų
Envelope volume envelope_volume39041 ų
Hydration-shell volume shell_volume17786 ų
Envelope diameter envelope_diameter63.5
Shell Rg shell_rg24.58
Envelope Rg envelope_rg19.01
Shape Rg shape_rg18.60
Total Rg total_rg19.61
Total atoms total_atoms1903
Residues n_residues232
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 dmax62.5
Rg (real space) rg_real19.53
Rg uncertainty (real space) rg_real_error0.40
I(0) (real space) i0_real1.2260e+07
I(0) uncertainty (real space) i0_real_error1.3900e+05
Rg (reciprocal space) rg_reciprocal19.54
I(0) (reciprocal space) i0_reciprocal12260000.0000
Solution quality estimate total_estimate0.8210
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.9
Skewness Skewness skewness0.287
Kurtosis Kurtosis kurtosis-0.441
Angular range angular_range— – 0.4050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4335000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.893; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; 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)