3eid

CDK2/CyclinA complexed with a pyrazolopyridazine inhibitor

Method: X-RAY DIFFRACTION Dmax: 115.3 Å Quality: GOOD

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

Cell division protein 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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–298 Not recorded Cyclin-A2 × 1 (P20248) PO5 (2S)-1-(dimethylamino)-3-(4-{[4-(6-morpholin-4-ylpyrazolo[1,5-b]pyridazin-3-yl)pyrimidin-2-yl]amino}phenoxy)propan-2-ol × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.7;277 K;1.5 M sodium acetate, 100 mM sodium cacodylate, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 3.15 Å R-free 0.261
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–298 Not recorded Cyclin-A2 × 1 (P20248) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.7;277 K;1.5 M sodium acetate, 100 mM sodium cacodylate, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 3.15 Å R-free 0.261

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 663 assemblies. Open the comparison page and filter oligomeric states

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

Cyclin-A2

Homo sapiens

UniProt P20248

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 173–432 Fragment:UNP residues 173-432 Cell division protein kinase 2 × 1 (P24941) PO5 (2S)-1-(dimethylamino)-3-(4-{[4-(6-morpholin-4-ylpyrazolo[1,5-b]pyridazin-3-yl)pyrimidin-2-yl]amino}phenoxy)propan-2-ol × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.7;277 K;1.5 M sodium acetate, 100 mM sodium cacodylate, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 3.15 Å R-free 0.261
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 173–432 Fragment:UNP residues 173-432 Cell division protein kinase 2 × 1 (P24941) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.7;277 K;1.5 M sodium acetate, 100 mM sodium cacodylate, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 3.15 Å R-free 0.261

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.

113 other PDB entries and 211 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CCNA2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–260; UniProt 173–432 Author chain D; PDBConstruct 1–260; UniProt 173–432

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 3eid

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3eid
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3eid
Deposition date deposition_date2008-09-15
Structure title titleCDK2/CyclinA complexed with a pyrazolopyridazine inhibitor
Keywords keywords;cdk2, cyclin, ATP-binding, Cell cycle, Cell division, Kinase, Mitosis, Nucleotide-binding, Phosphoprotein, Serine/threonine-protein kinase, Transferase, Nucleus, Transferase-Cell Cycle COMPLEX ;; Transferase/Cell Cycle
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.22
Radius of gyration Rg (electron density) rg_electron34.53
Forward intensity I(0) i0208605000.00
Molecular weight molecular_weight123280.0 kDa
Excluded volume excluded_volume157250 ų
Envelope volume envelope_volume198180 ų
Hydration-shell volume shell_volume47408 ų
Envelope diameter envelope_diameter123.3
Shell Rg shell_rg41.57
Envelope Rg envelope_rg34.03
Shape Rg shape_rg34.56
Total Rg total_rg34.94
Total atoms total_atoms8700
Residues n_residues1094
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 dmax115.3
Rg (real space) rg_real35.16
Rg uncertainty (real space) rg_real_error0.82
I(0) (real space) i0_real2.0860e+08
I(0) uncertainty (real space) i0_real_error3.3380e+06
Rg (reciprocal space) rg_reciprocal35.20
I(0) (reciprocal space) i0_reciprocal208600000.0000
Solution quality estimate total_estimate0.8867
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.1
Skewness Skewness skewness0.277
Kurtosis Kurtosis kurtosis-0.347
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha93380000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.893; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.843

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 14 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd3eida_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.7 — Protein kinases, catalytic subunit
Domain ID domain_idd3eidb1
Class classa — All alpha proteins
Fold Fold folda.74 — Cyclin-like
Superfamily Superfamily superfamilya.74.1 — Cyclin-like
Family Family familya.74.1.1 — Cyclin
Domain ID domain_idd3eidb2
Class classa — All alpha proteins
Fold Fold folda.74 — Cyclin-like
Superfamily Superfamily superfamilya.74.1 — Cyclin-like
Family Family familya.74.1.1 — Cyclin
Domain ID domain_idd3eidc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.7 — Protein kinases, catalytic subunit
Domain ID domain_idd3eidd1
Class classa — All alpha proteins
Fold Fold folda.74 — Cyclin-like
Superfamily Superfamily superfamilya.74.1 — Cyclin-like
Family Family familya.74.1.1 — Cyclin
Domain ID domain_idd3eidd2
Class classa — All alpha proteins
Fold Fold folda.74 — Cyclin-like
Superfamily Superfamily superfamilya.74.1 — Cyclin-like
Family Family familya.74.1.1 — Cyclin

CATH v4.4 (8 domains)

Domain ID domain_id3eidA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
Domain ID domain_id3eidA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id3eidB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id3eidB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id3eidC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
Domain ID domain_id3eidC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id3eidD01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id3eidD02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like

8. Citations (1)

9. Files and Curves (10)