3w8l

Crystal structure of human CK2 in complex with inositol hexakisphosphate

Method: X-RAY DIFFRACTION Dmax: 100.5 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 1–335 Fragment:UNP Residues 1-335 Mutation:I57V No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;296 K;17% polyethylene glycol 4000, 15% glycerol, 8.5% isopropanol, 0.085M Sodium HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K Resolution 2.40 Å R-free 0.248
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–335 Fragment:UNP Residues 1-335 Mutation:I57V IHP INOSITOL HEXAKISPHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;296 K;17% polyethylene glycol 4000, 15% glycerol, 8.5% isopropanol, 0.085M Sodium HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 296K Resolution 2.40 Å R-free 0.248

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 1–335; UniProt 1–335 Author chain B; PDBConstruct 1–335; 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 3w8l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3w8l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3w8l
Deposition date deposition_date2013-03-15
Structure title titleCrystal structure of human CK2 in complex with inositol hexakisphosphate
Keywords keywordsprotein kinase CK2, apoptosis; APOPTOSIS
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier30.24
Radius of gyration Rg (electron density) rg_electron29.63
Forward intensity I(0) i0103219000.00
Molecular weight molecular_weight79393.0 kDa
Excluded volume excluded_volume98956 ų
Envelope volume envelope_volume123800 ų
Hydration-shell volume shell_volume35438 ų
Envelope diameter envelope_diameter104.8
Shell Rg shell_rg36.24
Envelope Rg envelope_rg29.72
Shape Rg shape_rg29.63
Total Rg total_rg30.23
Total atoms total_atoms5592
Residues n_residues652
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 dmax100.5
Rg (real space) rg_real30.32
Rg uncertainty (real space) rg_real_error0.54
I(0) (real space) i0_real1.0320e+08
I(0) uncertainty (real space) i0_real_error1.4650e+06
Rg (reciprocal space) rg_reciprocal30.29
I(0) (reciprocal space) i0_reciprocal103200000.0000
Solution quality estimate total_estimate0.8774
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.8
Skewness Skewness skewness0.439
Kurtosis Kurtosis kurtosis-0.314
Angular range angular_range— – 0.2600 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha30850000.0000
Real-space data points n_real_points53
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.843; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.959; Smooth: 0.914

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3w8la_
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_idd3w8lb_
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

CATH v4.4 (4 domains)

Domain ID domain_id3w8lA01
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_id3w8lA02
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_id3w8lB01
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_id3w8lB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1

8. Citations (1)

9. Files and Curves (10)