3FC1

Crystal structure of p38 kinase bound to pyrimido-pyridazinone inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.199

Literature

Macromolecules
Sequence Display for 3FC1

Classification: TRANSFERASE

Total Structure Weight: 42470.65

Macromolecule Entities
Molecule Chains Length Organism Details
Mitogen-activated protein kinase 14 X 366 Homo sapiens EC#: 2.7.11.24 IUBMB
Gene Name(s): MAPK14 Gene View CSBP CSBP1 CSBP2 CSPB1 MXI2 SAPK2A
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
52P
Query on 52P

X 5-(2,6-dichlorophenyl)-2-[(2,4-difluorophenyl)sulfanyl]- 6H-pyrimido[1,6-b]pyridazin-6-one
C19 H9 Cl2 F2 N3 O S
VEPKQEUBKLEPRA-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

X CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
52P IC50: 0.8 - 5300 nM (99 - 100) BindingDB
Kd: 2.8 - 2800 nM (100) BindingDB

N/A in BindingMoad
IC50: 10 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.199
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 45.70 α = 90.00
b = 85.96 β = 90.00
c = 123.27 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2008-11-20
  • Released Date: 2008-12-09
  • Deposition author(s): Jacobs, M.D., Bellon, S.

Revision History

  • 2011-07-13
    Type: Advisory, Version format compliance