9d0x

Cryo-EM structure of CDK2/CyclinE1 in complex with CRBN/DDB1 and Cpd 4 (local mask)

Method: ELECTRON MICROSCOPY Dmax: 102.8 Å Quality: GOOD

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 40–442 Not recorded Cyclin-dependent kinase 2 × 1 (P24941) G1/S-specific cyclin-E1 × 1 (P24864) ZN ZINC ION × 1 A1A1I (3R)-3-(5-{4-[(2-{4-[(8-cyclopentyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino]-3-methylbenzene-1-sulfonyl}-7-azaspiro[3.5]nonan-7-yl)methyl]piperidin-1-yl}-4-fluoro-3-methyl-2-oxo-2,3-dihydro-1H-1,3-benzimidazol-1-yl)piperidine-2,6-dione × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.84 Å

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 141 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 B; PDBConstruct 3–405; UniProt 40–442

Cyclin-dependent kinase 2

Homo sapiens

UniProt P24941

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 1–298 Non-standard monomer:Yes (specific site not provided by mmCIF) Protein cereblon × 1 (Q96SW2) G1/S-specific cyclin-E1 × 1 (P24864) ZN ZINC ION × 1 A1A1I (3R)-3-(5-{4-[(2-{4-[(8-cyclopentyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino]-3-methylbenzene-1-sulfonyl}-7-azaspiro[3.5]nonan-7-yl)methyl]piperidin-1-yl}-4-fluoro-3-methyl-2-oxo-2,3-dihydro-1H-1,3-benzimidazol-1-yl)piperidine-2,6-dione × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.84 Å

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.

518 other PDB entries and 664 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CDK2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–298; UniProt 1–298

G1/S-specific cyclin-E1

Homo sapiens

UniProt P24864

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 96–378 Not recorded Protein cereblon × 1 (Q96SW2) Cyclin-dependent kinase 2 × 1 (P24941) ZN ZINC ION × 1 A1A1I (3R)-3-(5-{4-[(2-{4-[(8-cyclopentyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino]-3-methylbenzene-1-sulfonyl}-7-azaspiro[3.5]nonan-7-yl)methyl]piperidin-1-yl}-4-fluoro-3-methyl-2-oxo-2,3-dihydro-1H-1,3-benzimidazol-1-yl)piperidine-2,6-dione × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.84 Å

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.

21 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CCNE1_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain D; PDBConstruct 4–286; UniProt 96–378

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 9d0x

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9d0x
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9d0x
Deposition date deposition_date2024-08-07
Structure title titleCryo-EM structure of CDK2/CyclinE1 in complex with CRBN/DDB1 and Cpd 4 (local mask)
Keywords keywordskinase, degrader, ternary complex, CELL CYCLE; CELL CYCLE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier32.16
Radius of gyration Rg (electron density) rg_electron31.52
Forward intensity I(0) i0314960000.00
Molecular weight molecular_weight96299.0 kDa
Excluded volume excluded_volume93804 ų
Envelope volume envelope_volume161120 ų
Hydration-shell volume shell_volume42595 ų
Envelope diameter envelope_diameter107.5
Shell Rg shell_rg38.42
Envelope Rg envelope_rg31.42
Shape Rg shape_rg31.47
Total Rg total_rg32.02
Total atoms total_atoms7294
Residues n_residues895
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 dmax102.8
Rg (real space) rg_real32.13
Rg uncertainty (real space) rg_real_error0.84
I(0) (real space) i0_real3.1500e+08
I(0) uncertainty (real space) i0_real_error5.2640e+06
Rg (reciprocal space) rg_reciprocal32.14
I(0) (reciprocal space) i0_reciprocal315000000.0000
Solution quality estimate total_estimate0.8261
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary37.8
Skewness Skewness skewness0.302
Kurtosis Kurtosis kurtosis-0.451
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha53100000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.916; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)