9qsr

Protein Kinase CK2 and bivalent inhibitors

Method: X-RAY DIFFRACTION Dmax: 116.5 Å Quality: GOOD

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

Casein kinase II subunit alpha

Homo sapiens

UniProt P68400

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–337 Not recorded A1I90 5-[7-[(3-chloranyl-4-phenyl-phenyl)methylamino]heptylamino]benzo[c][2,6]naphthyridine-8-carboxylic acid × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;33 % polyethylene glycol methyl ether 5000, 0.2 M ammonium sulfate, 0.1 MES pH 6.5. Resolution 2.83 Å R-free 0.326
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–337 Not recorded A1I90 5-[7-[(3-chloranyl-4-phenyl-phenyl)methylamino]heptylamino]benzo[c][2,6]naphthyridine-8-carboxylic acid × 1 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;33 % polyethylene glycol methyl ether 5000, 0.2 M ammonium sulfate, 0.1 MES pH 6.5. Resolution 2.83 Å R-free 0.326

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.

313 other PDB entries and 447 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CSK21_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 23–359; UniProt 1–337 Author chain B; PDBConstruct 23–359; UniProt 1–337

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 9qsr

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9qsr
Deposition date deposition_date2025-04-07
最后修订 last_revision2025-07-30
Structure title titleProtein Kinase CK2 and bivalent inhibitors
Keywords keywordsProtein kinase inhibitor bivalent aD pocket, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.36
Radius of gyration Rg (electron density) rg_electron32.34
Forward intensity I(0) i0187680000.00
Molecular weight molecular_weight73532.0 kDa
Excluded volume excluded_volume71275 ų
Envelope volume envelope_volume122220 ų
Hydration-shell volume shell_volume33427 ų
Envelope diameter envelope_diameter122.7
Shell Rg shell_rg36.48
Envelope Rg envelope_rg32.83
Shape Rg shape_rg32.33
Total Rg total_rg32.60
Total atoms total_atoms5577
Residues n_residues660
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 dmax116.5
Rg (real space) rg_real32.77
Rg uncertainty (real space) rg_real_error1.39
I(0) (real space) i0_real1.8770e+08
I(0) uncertainty (real space) i0_real_error3.6070e+06
Rg (reciprocal space) rg_reciprocal32.60
I(0) (reciprocal space) i0_reciprocal187700000.0000
Solution quality estimate total_estimate0.7980
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.9
Skewness Skewness skewness0.616
Kurtosis Kurtosis kurtosis-0.160
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26960000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.594; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.677; Smooth: 0.910

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)