3itz

Crystal Structure of p38a Mitogen-Activated Protein Kinase in Complex with a Pyrazolopyridazine Inhibitor

Method: X-RAY DIFFRACTION Dmax: 76.9 Å Quality: REASONABLE

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 P66 4-chloro-N-cyclopropyl-3-{[1-(2,6-difluorophenyl)-1H-pyrazolo[3,4-d]pyridazin-4-yl]amino}benzamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;25% PEG 3350, 0.2M Ammonium Sulfate, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.25 Å R-free 0.249

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 3itz

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3itz
Deposition date deposition_date2009-08-28
Structure title titleCrystal Structure of p38a Mitogen-Activated Protein Kinase in Complex with a Pyrazolopyridazine Inhibitor
Keywords keywords;Serine/Threonine-Protein Kinase, Transferase, Alternative splicing, ATP-binding, Cytoplasm, Kinase, Nucleotide-binding, Nucleus, Phosphoprotein, Polymorphism ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.15
Radius of gyration Rg (electron density) rg_electron22.09
Forward intensity I(0) i028616300.00
Molecular weight molecular_weight41370.0 kDa
Excluded volume excluded_volume52037 ų
Envelope volume envelope_volume63479 ų
Hydration-shell volume shell_volume23969 ų
Envelope diameter envelope_diameter78.9
Shell Rg shell_rg29.09
Envelope Rg envelope_rg22.55
Shape Rg shape_rg22.06
Total Rg total_rg23.13
Total atoms total_atoms2914
Residues n_residues357
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 dmax76.9
Rg (real space) rg_real23.13
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real2.8620e+07
I(0) uncertainty (real space) i0_real_error3.7440e+05
Rg (reciprocal space) rg_reciprocal23.14
I(0) (reciprocal space) i0_reciprocal28620000.0000
Solution quality estimate total_estimate0.6914
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary27.2
Skewness Skewness skewness0.367
Kurtosis Kurtosis kurtosis-0.229
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6725000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.828; Stabil: 1.000; Sysdev: 0.171; Positv: 1.000; Valcen: 0.997; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3itza1
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_idd3itza2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id3itzA01
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_id3itzA02
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)