8qwy

Crystal structure of human Casein Kinase II subunit alpha (CK2a1) in complex with 4-(6-((5-isopropoxy-2-methoxyphenyl)amino)pyrazin-2-yl)benzoic acid

Method: X-RAY DIFFRACTION Dmax: 113.6 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 SO4 SULFATE ION × 6 X59 4-[6-[(2-methoxy-5-propan-2-yloxy-phenyl)amino]pyrazin-2-yl]benzoic acid × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5.5;293 K;0.2 M ammonia sulphate 0.1 M bis-tris pH 5.5 23-26% PEG 335 Resolution 2.60 Å R-free 0.251
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–337 Not recorded SO4 SULFATE ION × 6 X59 4-[6-[(2-methoxy-5-propan-2-yloxy-phenyl)amino]pyrazin-2-yl]benzoic acid × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5.5;293 K;0.2 M ammonia sulphate 0.1 M bis-tris pH 5.5 23-26% PEG 335 Resolution 2.60 Å R-free 0.251

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 2–338; UniProt 1–337 Author chain B; PDBConstruct 2–338; 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 8qwy

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8qwy
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8qwy
Deposition date deposition_date2023-10-20
最后修订 last_revision2024-01-17
Structure title titleCrystal structure of human Casein Kinase II subunit alpha (CK2a1) in complex with 4-(6-((5-isopropoxy-2-methoxyphenyl)amino)pyrazin-2-yl)benzoic acid
Keywords keywordsCK2, inhibitor, Kinase, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.57
Radius of gyration Rg (electron density) rg_electron32.43
Forward intensity I(0) i096530200.00
Molecular weight molecular_weight77011.0 kDa
Excluded volume excluded_volume95685 ų
Envelope volume envelope_volume120090 ų
Hydration-shell volume shell_volume32882 ų
Envelope diameter envelope_diameter120.9
Shell Rg shell_rg36.45
Envelope Rg envelope_rg32.88
Shape Rg shape_rg32.40
Total Rg total_rg32.87
Total atoms total_atoms5431
Residues n_residues662
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 dmax113.6
Rg (real space) rg_real32.99
Rg uncertainty (real space) rg_real_error1.31
I(0) (real space) i0_real9.6530e+07
I(0) uncertainty (real space) i0_real_error1.5910e+06
Rg (reciprocal space) rg_reciprocal32.81
I(0) (reciprocal space) i0_reciprocal96520000.0000
Solution quality estimate total_estimate0.7990
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.1
Skewness Skewness skewness0.613
Kurtosis Kurtosis kurtosis-0.162
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24560000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.644; Stabil: 0.995; Sysdev: 1.000; Positv: 1.000; Valcen: 0.762; Smooth: 0.702

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)