1e9h

Thr 160 phosphorylated CDK2 - Human cyclin A3 complex with the inhibitor indirubin-5-sulphonate bound

Method: X-RAY DIFFRACTION Dmax: 135.7 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 1–296 Non-standard monomer:Yes (specific site not provided by mmCIF) CYCLIN A3 × 1 (P20248) INR 2',3-DIOXO-1,1',2',3-TETRAHYDRO-2,3'-BIINDOLE-5'-SULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 2.50 Å R-free 0.273
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 1–296 Non-standard monomer:Yes (specific site not provided by mmCIF) CYCLIN A3 × 1 (P20248) INR 2',3-DIOXO-1,1',2',3-TETRAHYDRO-2,3'-BIINDOLE-5'-SULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 2.50 Å R-free 0.273

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 2–297; UniProt 1–296 Author chain C; PDBConstruct 2–297; UniProt 1–296

CYCLIN A3

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 175–432 Not recorded CELL DIVISION PROTEIN KINASE 2 × 1 (P24941) INR 2',3-DIOXO-1,1',2',3-TETRAHYDRO-2,3'-BIINDOLE-5'-SULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 2.50 Å R-free 0.273
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 175–432 Not recorded CELL DIVISION PROTEIN KINASE 2 × 1 (P24941) INR 2',3-DIOXO-1,1',2',3-TETRAHYDRO-2,3'-BIINDOLE-5'-SULFONIC ACID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 2.50 Å R-free 0.273

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 CGA2_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–258; UniProt 175–432 Author chain D; PDBConstruct 1–258; UniProt 175–432

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 1e9h

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1e9h
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1e9h
Deposition date deposition_date2000-10-16
Structure title titleThr 160 phosphorylated CDK2 - Human cyclin A3 complex with the inhibitor indirubin-5-sulphonate bound
Keywords keywordsCELL CYCLE, COMPLEX (PROTEIN KINASE-CYCLIN), KINASES, INHIBITOR, CYCLIN, COMPLEX, PHOSPHORYLATION; CELL CYCLE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier41.09
Radius of gyration Rg (electron density) rg_electron41.15
Forward intensity I(0) i0218526000.00
Molecular weight molecular_weight127400.0 kDa
Excluded volume excluded_volume162180 ų
Envelope volume envelope_volume212860 ų
Hydration-shell volume shell_volume44495 ų
Envelope diameter envelope_diameter139.9
Shell Rg shell_rg44.82
Envelope Rg envelope_rg40.38
Shape Rg shape_rg41.13
Total Rg total_rg41.44
Total atoms total_atoms8986
Residues n_residues1107
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 dmax135.7
Rg (real space) rg_real41.30
Rg uncertainty (real space) rg_real_error1.16
I(0) (real space) i0_real2.1850e+08
I(0) uncertainty (real space) i0_real_error4.0360e+06
Rg (reciprocal space) rg_reciprocal41.09
I(0) (reciprocal space) i0_reciprocal218500000.0000
Solution quality estimate total_estimate0.8484
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary35.7
Skewness Skewness skewness0.398
Kurtosis Kurtosis kurtosis-0.623
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26950000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.858; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.884; Smooth: 0.568

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (7 domains)

Domain ID domain_idd1e9ha_
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_idd1e9hb1
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_idd1e9hb2
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_idd1e9hc1
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_idd1e9hc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1e9hd1
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_idd1e9hd2
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_id1e9hA01
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_id1e9hA02
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_id1e9hB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id1e9hB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id1e9hC01
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_id1e9hC02
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_id1e9hD01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id1e9hD02
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)