3h30

Crystal structure of the catalytic subunit of human protein kinase CK2 with 5,6-dichloro-1-beta-D-ribofuranosylbenzimidazole

Method: X-RAY DIFFRACTION Dmax: 94.8 Å Quality: REASONABLE

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 1–334 Fragment:catalytic subunit, residues 1-334 RFZ 5,6-dichloro-1-beta-D-ribofuranosyl-1H-benzimidazole × 2 CL CHLORIDE ION × 14 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;1.5M ammonium sulfate, 0.2M tri-sodium citrate, 0.2M K/Na tartrate pH 5.6, the enzyme was preincubated with 5,6-dichloro-1-beta-D-ribofuranosylbenzimidazole, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 1.56 Å R-free 0.198
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–334 Fragment:catalytic subunit, residues 1-334 RFZ 5,6-dichloro-1-beta-D-ribofuranosyl-1H-benzimidazole × 1 CL CHLORIDE ION × 18 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;1.5M ammonium sulfate, 0.2M tri-sodium citrate, 0.2M K/Na tartrate pH 5.6, the enzyme was preincubated with 5,6-dichloro-1-beta-D-ribofuranosylbenzimidazole, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 1.56 Å R-free 0.198
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–334 Chain B; UniProt 1–334 Fragment:catalytic subunit, residues 1-334 RFZ 5,6-dichloro-1-beta-D-ribofuranosyl-1H-benzimidazole × 3 CL CHLORIDE ION × 32 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;1.5M ammonium sulfate, 0.2M tri-sodium citrate, 0.2M K/Na tartrate pH 5.6, the enzyme was preincubated with 5,6-dichloro-1-beta-D-ribofuranosylbenzimidazole, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 1.56 Å R-free 0.198

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 446 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 1–334; UniProt 1–334 Author chain B; PDBConstruct 1–334; UniProt 1–334

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 3h30

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3h30
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3h30
Deposition date deposition_date2009-04-15
Structure title titleCrystal structure of the catalytic subunit of human protein kinase CK2 with 5,6-dichloro-1-beta-D-ribofuranosylbenzimidazole
Keywords keywords;Protein kinase CK2, Casein kinase 2, Casein kinase II, ATP-binding, Kinase, Nucleotide-binding, Phosphoprotein, Serine/threonine-protein kinase, Transferase, Wnt signaling pathway ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.08
Radius of gyration Rg (electron density) rg_electron27.12
Forward intensity I(0) i0109794000.00
Molecular weight molecular_weight81719.0 kDa
Excluded volume excluded_volume101600 ų
Envelope volume envelope_volume121410 ų
Hydration-shell volume shell_volume36762 ų
Envelope diameter envelope_diameter106.6
Shell Rg shell_rg35.06
Envelope Rg envelope_rg27.42
Shape Rg shape_rg27.13
Total Rg total_rg27.82
Total atoms total_atoms5718
Residues n_residues666
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 dmax94.8
Rg (real space) rg_real28.03
Rg uncertainty (real space) rg_real_error0.65
I(0) (real space) i0_real1.0980e+08
I(0) uncertainty (real space) i0_real_error1.3490e+06
Rg (reciprocal space) rg_reciprocal28.05
I(0) (reciprocal space) i0_reciprocal109800000.0000
Solution quality estimate total_estimate0.5952
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.9
Skewness Skewness skewness0.330
Kurtosis Kurtosis kurtosis-0.296
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha42690000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.805; Stabil: 0.999; Sysdev: 0.109; Positv: 1.000; Valcen: 0.992; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3h30a_
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_idd3h30b_
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_id3h30A01
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_id3h30A02
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_id3h30B01
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_id3h30B02
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 (3)

9. Files and Curves (10)