3FKN

P38 kinase crystal structure in complex with RO7125

• PDB DOI: https://doi.org/10.2210/pdb3FKN/pdb

• Classification: SIGNALING PROTEIN, TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-12-17 Released: 2009-12-22 
• Deposition Author(s): Kuglstatter, A., Ghate, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.242 
• R-Value Work: 0.213 
• R-Value Observed: 0.215 

Starting Model: experimental

Literature

Mapping Binding Pocket Volume: Potential Applications towards Ligand Design and Selectivity

Arora, N., Williams, C., Delano, W., Will, D., Kuglstatter, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 43.19 kDa 
• Atom Count: 3,103 
• Modelled Residue Count: 346 
• Deposited Residue Count: 372 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Mitogen-activated protein kinase 14	A	372	Homo sapiens	Mutation(s): 0  Gene Names: CSBP, CSBP1, CSBP2, CSPB1, MAPK14, MXI2 EC: 2.7.11.24
UniProt & NIH Common Fund Data Resources
Find proteins for Q16539 (Homo sapiens) Explore Q16539  Go to UniProtKB:  Q16539
PHAROS:  Q16539 GTEx:  ENSG00000112062

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FKN	B [auth A]	3-[2-chloro-5-(methylsulfonyl)phenyl]-6-(2,4-difluorophenoxy)-1H-pyrazolo[3,4-d]pyrimidine C18 H11 Cl F2 N4 O3 S UZKJZUHMKHFCAD-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.242 
• R-Value Work: 0.213 
• R-Value Observed: 0.215 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.461	α = 90
b = 87.215	β = 90
c = 124.869	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
CNS	refinement
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-12-22 
Deposition Author(s): Kuglstatter, A., Ghate, M.

Revision History  

• Version 1.0: 2009-12-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2019-07-24
  Changes: Data collection, Refinement description
• Version 1.3: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description