9ohq

Structure of CRBN:IKZF2:Compound 15

Method: X-RAY DIFFRACTION Dmax: 120.9 Å Quality: REASONABLE

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

Protein cereblon

Homo sapiens

UniProt Q96SW2

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 A; UniProt 319–426 Not recorded Zinc finger protein Helios × 1 (Q9UKS7) A1CBH (3S)-3-[(5M)-5-{1-methyl-4-[(pyrrolidin-1-yl)methyl]-1H-pyrrolo[2,3-b]pyridin-6-yl}-1-oxo-1,3-dihydro-2H-isoindol-2-yl]piperidine-2,6-dione × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;0.2M Magnesium Chloride, 0.5M Sodium Chloride, 0.1M Tris-HCl pH 8.5, 32.5% w/v PEG 3350 Resolution 1.60 Å R-free 0.201
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 319–426 Not recorded Zinc finger protein Helios × 1 (Q9UKS7) A1CBH (3S)-3-[(5M)-5-{1-methyl-4-[(pyrrolidin-1-yl)methyl]-1H-pyrrolo[2,3-b]pyridin-6-yl}-1-oxo-1,3-dihydro-2H-isoindol-2-yl]piperidine-2,6-dione × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;0.2M Magnesium Chloride, 0.5M Sodium Chloride, 0.1M Tris-HCl pH 8.5, 32.5% w/v PEG 3350 Resolution 1.60 Å R-free 0.201
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 319–426 Not recorded Zinc finger protein Helios × 1 (Q9UKS7) A1CBH (3S)-3-[(5M)-5-{1-methyl-4-[(pyrrolidin-1-yl)methyl]-1H-pyrrolo[2,3-b]pyridin-6-yl}-1-oxo-1,3-dihydro-2H-isoindol-2-yl]piperidine-2,6-dione × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;0.2M Magnesium Chloride, 0.5M Sodium Chloride, 0.1M Tris-HCl pH 8.5, 32.5% w/v PEG 3350 Resolution 1.60 Å R-free 0.201
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 319–426 Not recorded Zinc finger protein Helios × 1 (Q9UKS7) A1CBH (3S)-3-[(5M)-5-{1-methyl-4-[(pyrrolidin-1-yl)methyl]-1H-pyrrolo[2,3-b]pyridin-6-yl}-1-oxo-1,3-dihydro-2H-isoindol-2-yl]piperidine-2,6-dione × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;0.2M Magnesium Chloride, 0.5M Sodium Chloride, 0.1M Tris-HCl pH 8.5, 32.5% w/v PEG 3350 Resolution 1.60 Å R-free 0.201

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.

93 other PDB entries and 138 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CRBN_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–111; UniProt 319–426 Author chain C; PDBConstruct 4–111; UniProt 319–426 Author chain E; PDBConstruct 4–111; UniProt 319–426 Author chain G; PDBConstruct 4–111; UniProt 319–426

Zinc finger protein Helios

Homo sapiens

UniProt Q9UKS7

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 136–164 Not recorded Protein cereblon × 1 (Q96SW2) A1CBH (3S)-3-[(5M)-5-{1-methyl-4-[(pyrrolidin-1-yl)methyl]-1H-pyrrolo[2,3-b]pyridin-6-yl}-1-oxo-1,3-dihydro-2H-isoindol-2-yl]piperidine-2,6-dione × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;0.2M Magnesium Chloride, 0.5M Sodium Chloride, 0.1M Tris-HCl pH 8.5, 32.5% w/v PEG 3350 Resolution 1.60 Å R-free 0.201
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 136–164 Not recorded Protein cereblon × 1 (Q96SW2) A1CBH (3S)-3-[(5M)-5-{1-methyl-4-[(pyrrolidin-1-yl)methyl]-1H-pyrrolo[2,3-b]pyridin-6-yl}-1-oxo-1,3-dihydro-2H-isoindol-2-yl]piperidine-2,6-dione × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;0.2M Magnesium Chloride, 0.5M Sodium Chloride, 0.1M Tris-HCl pH 8.5, 32.5% w/v PEG 3350 Resolution 1.60 Å R-free 0.201
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain F; UniProt 136–164 Not recorded Protein cereblon × 1 (Q96SW2) A1CBH (3S)-3-[(5M)-5-{1-methyl-4-[(pyrrolidin-1-yl)methyl]-1H-pyrrolo[2,3-b]pyridin-6-yl}-1-oxo-1,3-dihydro-2H-isoindol-2-yl]piperidine-2,6-dione × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;0.2M Magnesium Chloride, 0.5M Sodium Chloride, 0.1M Tris-HCl pH 8.5, 32.5% w/v PEG 3350 Resolution 1.60 Å R-free 0.201
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain H; UniProt 136–164 Not recorded Protein cereblon × 1 (Q96SW2) A1CBH (3S)-3-[(5M)-5-{1-methyl-4-[(pyrrolidin-1-yl)methyl]-1H-pyrrolo[2,3-b]pyridin-6-yl}-1-oxo-1,3-dihydro-2H-isoindol-2-yl]piperidine-2,6-dione × 1 ZN ZINC ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;291 K;0.2M Magnesium Chloride, 0.5M Sodium Chloride, 0.1M Tris-HCl pH 8.5, 32.5% w/v PEG 3350 Resolution 1.60 Å R-free 0.201

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.

6 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IKZF2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–30; UniProt 136–164 Author chain D; PDBConstruct 2–30; UniProt 136–164 Author chain F; PDBConstruct 2–30; UniProt 136–164 Author chain H; PDBConstruct 2–30; UniProt 136–164

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 9ohq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9ohq
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9ohq
Deposition date deposition_date2025-05-05
Structure title titleStructure of CRBN:IKZF2:Compound 15
Keywords keywordsProtein Degrader, 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_guinier37.19
Radius of gyration Rg (electron density) rg_electron37.28
Forward intensity I(0) i0120236000.00
Molecular weight molecular_weight58961.0 kDa
Excluded volume excluded_volume56916 ų
Envelope volume envelope_volume110900 ų
Hydration-shell volume shell_volume25526 ų
Envelope diameter envelope_diameter129.6
Shell Rg shell_rg41.51
Envelope Rg envelope_rg36.12
Shape Rg shape_rg37.25
Total Rg total_rg37.55
Total atoms total_atoms4430
Residues n_residues548
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 dmax120.9
Rg (real space) rg_real37.55
Rg uncertainty (real space) rg_real_error1.12
I(0) (real space) i0_real1.2020e+08
I(0) uncertainty (real space) i0_real_error2.3230e+06
Rg (reciprocal space) rg_reciprocal37.33
I(0) (reciprocal space) i0_reciprocal120200000.0000
Solution quality estimate total_estimate0.7225
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.3
Skewness Skewness skewness0.310
Kurtosis Kurtosis kurtosis-0.975
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5427000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.453; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.332; Smooth: 0.696

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)