4bck

Structure of CDK2 in complex with cyclin A and a 2-amino-4-heteroaryl- pyrimidine inhibitor

Method: X-RAY DIFFRACTION Dmax: 118.5 Å Quality: GOOD

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

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–298 Non-standard monomer:Yes (specific site not provided by mmCIF) CYCLIN-A2 × 1 (P20248) T3E 3-[[5-cyano-4-[4-methyl-2-(methylamino)-1,3-thiazol-5-yl]pyrimidin-2-yl]amino]benzenesulfonamide × 1 SGM MONOTHIOGLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;COCRYSTALS WERE GROWN IN 1-1.25M AMMONIUM SULFATE, 0.5-0.9M KCL, 100MM HEPES, PH 7.0, 5MM DTT AND IN THE PRESENCE OF COMPOUND. Resolution 2.05 Å R-free 0.236
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–298 Non-standard monomer:Yes (specific site not provided by mmCIF) CYCLIN-A2 × 1 (P20248) T3E 3-[[5-cyano-4-[4-methyl-2-(methylamino)-1,3-thiazol-5-yl]pyrimidin-2-yl]amino]benzenesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;COCRYSTALS WERE GROWN IN 1-1.25M AMMONIUM SULFATE, 0.5-0.9M KCL, 100MM HEPES, PH 7.0, 5MM DTT AND IN THE PRESENCE OF COMPOUND. Resolution 2.05 Å R-free 0.236

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 3–300; UniProt 1–298 Author chain C; PDBConstruct 3–300; 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 171–432 Fragment:RESIDUES 171-432 CYCLIN-DEPENDENT KINASE 2 × 1 (P24941) T3E 3-[[5-cyano-4-[4-methyl-2-(methylamino)-1,3-thiazol-5-yl]pyrimidin-2-yl]amino]benzenesulfonamide × 1 SGM MONOTHIOGLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;COCRYSTALS WERE GROWN IN 1-1.25M AMMONIUM SULFATE, 0.5-0.9M KCL, 100MM HEPES, PH 7.0, 5MM DTT AND IN THE PRESENCE OF COMPOUND. Resolution 2.05 Å R-free 0.236
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 171–432 Fragment:RESIDUES 171-432 CYCLIN-DEPENDENT KINASE 2 × 1 (P24941) T3E 3-[[5-cyano-4-[4-methyl-2-(methylamino)-1,3-thiazol-5-yl]pyrimidin-2-yl]amino]benzenesulfonamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;COCRYSTALS WERE GROWN IN 1-1.25M AMMONIUM SULFATE, 0.5-0.9M KCL, 100MM HEPES, PH 7.0, 5MM DTT AND IN THE PRESENCE OF COMPOUND. Resolution 2.05 Å R-free 0.236

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 1–262; UniProt 171–432 Author chain D; PDBConstruct 1–262; UniProt 171–432

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 4bck

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4bck
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4bck
Deposition date deposition_date2012-10-02
Structure title titleStructure of CDK2 in complex with cyclin A and a 2-amino-4-heteroaryl- pyrimidine inhibitor
Keywords keywordsTRANSFERASE-CELL CYCLE COMPLEX, CDK-CYCLIN COMPLEX, STRUCTURE-BASED DRUG DESIGN; TRANSFERASE/CELL CYCLE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.20
Radius of gyration Rg (electron density) rg_electron35.49
Forward intensity I(0) i0225456000.00
Molecular weight molecular_weight126900.0 kDa
Excluded volume excluded_volume161420 ų
Envelope volume envelope_volume217850 ų
Hydration-shell volume shell_volume50690 ų
Envelope diameter envelope_diameter126.0
Shell Rg shell_rg42.40
Envelope Rg envelope_rg34.83
Shape Rg shape_rg35.52
Total Rg total_rg35.89
Total atoms total_atoms8977
Residues n_residues1100
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 dmax118.5
Rg (real space) rg_real36.12
Rg uncertainty (real space) rg_real_error0.86
I(0) (real space) i0_real2.2550e+08
I(0) uncertainty (real space) i0_real_error3.3110e+06
Rg (reciprocal space) rg_reciprocal36.17
I(0) (reciprocal space) i0_reciprocal225500000.0000
Solution quality estimate total_estimate0.8851
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary48.5
Skewness Skewness skewness0.266
Kurtosis Kurtosis kurtosis-0.319
Angular range angular_range— – 0.2200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha121400000.0000
Real-space data points n_real_points45
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.882; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.857

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd4bcka1
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_idd4bcka2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4bckb1
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_idd4bckb2
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_idd4bckc1
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_idd4bckc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4bckd1
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_idd4bckd2
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_id4bckA01
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_id4bckA02
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_id4bckB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id4bckB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id4bckC01
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_id4bckC02
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_id4bckD01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id4bckD02
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)