5cu0

Crystal structure of CK2alpha with 2-hydroxy-5-methylbenzoic acid and N-(3-(3-chloro-4-(phenyl)benzylamino)propyl)acetamide bound

Method: X-RAY DIFFRACTION Dmax: 111.3 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 2–329 Fragment:residues 2-329 and N-terminal extension GSMDIEFDDDADDDGSGSGSGSGS Mutation:R21S 54R N-(3-{[(2-chlorobiphenyl-4-yl)methyl]amino}propyl)acetamide × 2 54G 2-hydroxy-5-methylbenzoic acid × 1 ACT ACETATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;298 K;107mM Mes pH 6.5, 29% glycerol ethoxylate, 1 M ammonium acetate Resolution 2.18 Å R-free 0.236
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 2–329 Fragment:residues 2-329 and N-terminal extension GSMDIEFDDDADDDGSGSGSGSGS Mutation:R21S 54R N-(3-{[(2-chlorobiphenyl-4-yl)methyl]amino}propyl)acetamide × 2 54G 2-hydroxy-5-methylbenzoic acid × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.5;298 K;107mM Mes pH 6.5, 29% glycerol ethoxylate, 1 M ammonium acetate Resolution 2.18 Å R-free 0.236

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 25–352; UniProt 2–329 Author chain B; PDBConstruct 25–352; UniProt 2–329

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 5cu0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5cu0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5cu0
Deposition date deposition_date2015-07-24
Structure title titleCrystal structure of CK2alpha with 2-hydroxy-5-methylbenzoic acid and N-(3-(3-chloro-4-(phenyl)benzylamino)propyl)acetamide bound
Keywords keywords;CK2alpha, CK2a, fragment based drug discovery, high concentration screening, selective ATP competitive inhibitors, surface entrophy reduction, transferase ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.91
Radius of gyration Rg (electron density) rg_electron31.39
Forward intensity I(0) i096396200.00
Molecular weight molecular_weight79275.0 kDa
Excluded volume excluded_volume99672 ų
Envelope volume envelope_volume124850 ų
Hydration-shell volume shell_volume34266 ų
Envelope diameter envelope_diameter116.8
Shell Rg shell_rg36.84
Envelope Rg envelope_rg31.45
Shape Rg shape_rg31.41
Total Rg total_rg31.79
Total atoms total_atoms5604
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 dmax111.3
Rg (real space) rg_real32.13
Rg uncertainty (real space) rg_real_error1.15
I(0) (real space) i0_real9.6400e+07
I(0) uncertainty (real space) i0_real_error1.4680e+06
Rg (reciprocal space) rg_reciprocal32.04
I(0) (reciprocal space) i0_reciprocal96390000.0000
Solution quality estimate total_estimate0.5606
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary31.2
Skewness Skewness skewness0.482
Kurtosis Kurtosis kurtosis-0.362
Angular range angular_range— – 0.2500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha31510000.0000
Real-space data points n_real_points51
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.742; Stabil: 1.000; Sysdev: 0.062; Positv: 1.000; Valcen: 0.872; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5cu0a_
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_idd5cu0b_
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_id5cu0A01
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_id5cu0A02
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_id5cu0B01
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_id5cu0B02
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)