9h97

Structure of protein kinase CK2 catalytic subunit CK2alpha (CSNK2A1 gene product) in complex with the indenoindole-type inhibitor MC11 at high-salt conditions

Method: X-RAY DIFFRACTION Dmax: 73.1 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 1–335 Not recorded A1ITG 1,2,3,4-tetrakis(bromanyl)-5-propan-2-yl-7,8-dihydro-6~{H}-indeno[1,2-b]indole-9,10-dione × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;Reservoir: 4.2 M NaCl, 0.1 M sodium citrat pH 8.5 Protein 5 mg per mL including 1 mM MC11 in DMSO Drop: Mixing 1 microliter protein incl. MC11 with 1 microliter reservoir solution Resolution 1.70 Å R-free 0.231

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 448 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 15–349; UniProt 1–335

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 9h97

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9h97
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9h97
Deposition date deposition_date2024-10-30
Structure title titleStructure of protein kinase CK2 catalytic subunit CK2alpha (CSNK2A1 gene product) in complex with the indenoindole-type inhibitor MC11 at high-salt conditions
Keywords keywordsProtein kinase, CK2, casein kinase II, indenoindole, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.56
Radius of gyration Rg (electron density) rg_electron20.62
Forward intensity I(0) i052340100.00
Molecular weight molecular_weight37597.0 kDa
Excluded volume excluded_volume36272 ų
Envelope volume envelope_volume57949 ų
Hydration-shell volume shell_volume23251 ų
Envelope diameter envelope_diameter72.7
Shell Rg shell_rg27.73
Envelope Rg envelope_rg20.95
Shape Rg shape_rg20.63
Total Rg total_rg21.28
Total atoms total_atoms2837
Residues n_residues333
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 dmax73.1
Rg (real space) rg_real21.47
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real5.2340e+07
I(0) uncertainty (real space) i0_real_error7.4120e+05
Rg (reciprocal space) rg_reciprocal21.49
I(0) (reciprocal space) i0_reciprocal52340000.0000
Solution quality estimate total_estimate0.8765
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.8
Skewness Skewness skewness0.263
Kurtosis Kurtosis kurtosis-0.363
Angular range angular_range— – 0.3700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11800000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.803; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)