1ouk

The structure of p38 alpha in complex with a pyridinylimidazole inhibitor

Method: X-RAY DIFFRACTION Dmax: 73.0 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Mitogen-activated protein kinase 14

Homo sapiens

UniProt Q16539

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 1–360 Not recorded SO4 SULFATE ION × 1 084 4-[5-[2-(1-PHENYL-ETHYLAMINO)-PYRIMIDIN-4-YL]-1-METHYL-4-(3-TRIFLUOROMETHYLPHENYL)-1H-IMIDAZOL-2-YL]-PIPERIDINE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;298 K;Sodium citrate, Ammunium sulfate, HEPES buffer, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.50 Å R-free 0.264

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.

266 other PDB entries and 288 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MK14_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 7–366; UniProt 1–360

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 1ouk

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1ouk
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1ouk
Deposition date deposition_date2003-03-24
Structure title titleThe structure of p38 alpha in complex with a pyridinylimidazole inhibitor
Keywords keywordsMAP kinase, hydrophobic pocket, Kinase domain, ATP binding domain, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.45
Radius of gyration Rg (electron density) rg_electron21.67
Forward intensity I(0) i051636200.00
Molecular weight molecular_weight37535.0 kDa
Excluded volume excluded_volume36450 ų
Envelope volume envelope_volume60238 ų
Hydration-shell volume shell_volume23350 ų
Envelope diameter envelope_diameter73.8
Shell Rg shell_rg28.31
Envelope Rg envelope_rg21.82
Shape Rg shape_rg21.65
Total Rg total_rg22.35
Total atoms total_atoms2846
Residues n_residues348
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 dmax73.0
Rg (real space) rg_real22.41
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real5.1640e+07
I(0) uncertainty (real space) i0_real_error6.8650e+05
Rg (reciprocal space) rg_reciprocal22.42
I(0) (reciprocal space) i0_reciprocal51640000.0000
Solution quality estimate total_estimate0.8932
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.5
Skewness Skewness skewness0.329
Kurtosis Kurtosis kurtosis-0.310
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9314000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.876; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.981

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1ouka_
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 (2 domains)

Domain ID domain_id1oukA01
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_id1oukA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1

8. Citations (2)

9. Files and Curves (10)