8p06

Crystal structure of human Casein Kinase II subunit alpha (CK2a1) in complex with 5-((2-(4H-1,2,4-triazol-4-yl)pyridin-4-yl)amino)-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidine-3-carbonitrile

Method: X-RAY DIFFRACTION Dmax: 118.3 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 × 4 WAU 7-(cyclopropylamino)-5-[[2-(1,2,4-triazol-4-yl)pyridin-4-yl]amino]pyrazolo[1,5-a]pyrimidine-3-carbonitrile × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;0.2 M ammonia sulphate 0.1 M bis-tris pH 5.5 23-26% PEG 3350 Resolution 2.40 Å R-free 0.237
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 × 4 WAU 7-(cyclopropylamino)-5-[[2-(1,2,4-triazol-4-yl)pyridin-4-yl]amino]pyrazolo[1,5-a]pyrimidine-3-carbonitrile × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;293 K;0.2 M ammonia sulphate 0.1 M bis-tris pH 5.5 23-26% PEG 3350 Resolution 2.40 Å R-free 0.237

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 8p06

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8p06
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8p06
Deposition date deposition_date2023-05-09
Structure title titleCrystal structure of human Casein Kinase II subunit alpha (CK2a1) in complex with 5-((2-(4H-1,2,4-triazol-4-yl)pyridin-4-yl)amino)-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidine-3-carbonitrile
Keywords keywordsKinase, CK2, TypI inhibitor, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.30
Radius of gyration Rg (electron density) rg_electron32.19
Forward intensity I(0) i097372400.00
Molecular weight molecular_weight77802.0 kDa
Excluded volume excluded_volume96931 ų
Envelope volume envelope_volume120310 ų
Hydration-shell volume shell_volume33052 ų
Envelope diameter envelope_diameter123.5
Shell Rg shell_rg36.38
Envelope Rg envelope_rg32.67
Shape Rg shape_rg32.17
Total Rg total_rg32.61
Total atoms total_atoms5495
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 dmax118.3
Rg (real space) rg_real32.68
Rg uncertainty (real space) rg_real_error1.35
I(0) (real space) i0_real9.7370e+07
I(0) uncertainty (real space) i0_real_error1.6030e+06
Rg (reciprocal space) rg_reciprocal32.52
I(0) (reciprocal space) i0_reciprocal97360000.0000
Solution quality estimate total_estimate0.7932
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary31.4
Skewness Skewness skewness0.605
Kurtosis Kurtosis kurtosis-0.166
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha26910000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.571; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.663; Smooth: 0.933

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id8p06A01
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_id8p06B01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1

8. Citations (1)

9. Files and Curves (10)