8znl

PD-L1 de novo designed binder with picomolar binding affinity

Method: X-RAY DIFFRACTION Dmax: 96.0 Å Quality: EXCELLENT

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 19–132 Not recorded PD-L1 de novo binder × 1 BR BROMIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;buffer containing 0.03M Sodium fluoride; 0.03M Sodium bromide; 0.03M Sodium iodide; 0.1 M (Imidazole/MES) pH6.5, 12.5% v/v MPD; 12.5% PEG1000; 12.5% w/v PEG 3350. Resolution 1.77 Å R-free 0.275
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 19–132 Not recorded PD-L1 de novo binder × 1 BR BROMIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;buffer containing 0.03M Sodium fluoride; 0.03M Sodium bromide; 0.03M Sodium iodide; 0.1 M (Imidazole/MES) pH6.5, 12.5% v/v MPD; 12.5% PEG1000; 12.5% w/v PEG 3350. Resolution 1.77 Å R-free 0.275
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 19–132 Not recorded PD-L1 de novo binder × 1 BR BROMIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;buffer containing 0.03M Sodium fluoride; 0.03M Sodium bromide; 0.03M Sodium iodide; 0.1 M (Imidazole/MES) pH6.5, 12.5% v/v MPD; 12.5% PEG1000; 12.5% w/v PEG 3350. Resolution 1.77 Å R-free 0.275
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain H; UniProt 19–132 Not recorded PD-L1 de novo binder × 1 BR BROMIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;buffer containing 0.03M Sodium fluoride; 0.03M Sodium bromide; 0.03M Sodium iodide; 0.1 M (Imidazole/MES) pH6.5, 12.5% v/v MPD; 12.5% PEG1000; 12.5% w/v PEG 3350. Resolution 1.77 Å R-free 0.275

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 121 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PD1L1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–114; UniProt 19–132 Author chain D; PDBConstruct 1–114; UniProt 19–132 Author chain F; PDBConstruct 1–114; UniProt 19–132 Author chain H; PDBConstruct 1–114; UniProt 19–132

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 8znl

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8znl
Deposition date deposition_date2024-05-27
最后修订 last_revision2025-06-04
Structure title titlePD-L1 de novo designed binder with picomolar binding affinity
Keywords keywordsPD-L1, picomolar binding affinity, DE NOVO PROTEIN; DE NOVO PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.25
Radius of gyration Rg (electron density) rg_electron30.44
Forward intensity I(0) i0103016000.00
Molecular weight molecular_weight80637.0 kDa
Excluded volume excluded_volume101400 ų
Envelope volume envelope_volume129950 ų
Hydration-shell volume shell_volume35828 ų
Envelope diameter envelope_diameter103.8
Shell Rg shell_rg37.15
Envelope Rg envelope_rg29.89
Shape Rg shape_rg30.43
Total Rg total_rg31.07
Total atoms total_atoms5652
Residues n_residues688
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 dmax96.0
Rg (real space) rg_real31.16
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real1.0300e+08
I(0) uncertainty (real space) i0_real_error1.6570e+06
Rg (reciprocal space) rg_reciprocal31.20
I(0) (reciprocal space) i0_reciprocal103000000.0000
Solution quality estimate total_estimate0.9013
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary43.3
Skewness Skewness skewness0.173
Kurtosis Kurtosis kurtosis-0.577
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha30970000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.965; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.822

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)