1qmz

PHOSPHORYLATED CDK2-CYCLYIN A-SUBSTRATE PEPTIDE COMPLEX

Method: X-RAY DIFFRACTION Dmax: 115.4 Å Quality: REASONABLE

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 1–298 Chain C; UniProt 1–298 Non-standard monomer:Yes (specific site not provided by mmCIF) G2/MITOTIC-SPECIFIC CYCLIN A × 2 (P20248) SUBSTRATE PEPTIDE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 2.20 Å R-free 0.280

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 1
Chains and sequence ranges Author chain A; PDBConstruct 2–299; UniProt 1–298 Author chain C; PDBConstruct 2–299; UniProt 1–298

G2/MITOTIC-SPECIFIC CYCLIN A

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 × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain B; UniProt 174–432 Chain D; UniProt 174–432 Fragment:RESIDUES 174-432 CELL DIVISION PROTEIN KINASE 2 × 2 (P24941) SUBSTRATE PEPTIDE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 2.20 Å R-free 0.280

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 212 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CG2A_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–259; UniProt 174–432 Author chain D; PDBConstruct 1–259; UniProt 174–432

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 1qmz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1qmz
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1qmz
Deposition date deposition_date1999-10-11
Structure title titlePHOSPHORYLATED CDK2-CYCLYIN A-SUBSTRATE PEPTIDE COMPLEX
Keywords keywordsCELL CYCLE, COMPLEX (PROTEIN KINASE-CYCLIN), CYCLIN, CDK, PHOSPHORYLATION, SUBSTRATE COMPLEX; CELL CYCLE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.19
Radius of gyration Rg (electron density) rg_electron34.52
Forward intensity I(0) i0236575000.00
Molecular weight molecular_weight129460.0 kDa
Excluded volume excluded_volume164270 ų
Envelope volume envelope_volume202720 ų
Hydration-shell volume shell_volume48104 ų
Envelope diameter envelope_diameter122.5
Shell Rg shell_rg41.88
Envelope Rg envelope_rg34.17
Shape Rg shape_rg34.56
Total Rg total_rg34.90
Total atoms total_atoms9122
Residues n_residues1122
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 dmax115.4
Rg (real space) rg_real36.13
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real2.3470e+08
I(0) uncertainty (real space) i0_real_error3.1460e+06
Rg (reciprocal space) rg_reciprocal35.17
I(0) (reciprocal space) i0_reciprocal236600000.0000
Solution quality estimate total_estimate0.6895
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary46.2
Skewness Skewness skewness0.361
Kurtosis Kurtosis kurtosis-0.239
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha2.7680
Highest regularization parameter α highest_alpha135600000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.920; Stabil: 0.908; Sysdev: 0.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.520

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd1qmza1
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_idd1qmza2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1qmzb1
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_idd1qmzb2
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_idd1qmzc1
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_idd1qmzc2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1qmzd1
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_idd1qmzd2
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_id1qmzA01
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_id1qmzA02
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_id1qmzB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id1qmzB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id1qmzC01
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_id1qmzC02
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_id1qmzD01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology472 — Cyclin A; domain 1
Homologous superfamily homologous superfamily10 — Cyclin-like
Domain ID domain_id1qmzD02
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)