4J98

Crystal Structure of FGF Receptor 2 (FGFR2) Kinase Domain Harboring the Gain-of-Function K659Q Mutation.

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3067 Å
  • R-Value Free: 0.234 
  • R-Value Work: 0.187 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history. 

Literature

Cracking the Molecular Origin of Intrinsic Tyrosine Kinase Activity through Analysis of Pathogenic Gain-of-Function Mutations.

Chen, H., Huang, Z., Dutta, K., Blais, S., Neubert, T.A., Li, X., Cowburn, D., Traaseth, N.J., Mohammadi, M.

(2013) Cell Rep 4: 376-384

  • DOI: 10.1016/j.celrep.2013.06.025
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    • The basal (ligand-independent) kinase activity of receptor tyrosine kinases (RTKs) promotes trans-phosphorylation on activation loop tyrosines upon ligand-induced receptor dimerization, thus upregulating intrinsic kinase activity and triggering intra ...

    The basal (ligand-independent) kinase activity of receptor tyrosine kinases (RTKs) promotes trans-phosphorylation on activation loop tyrosines upon ligand-induced receptor dimerization, thus upregulating intrinsic kinase activity and triggering intracellular signaling. To understand the molecular determinants of intrinsic kinase activity, we used X-ray crystallography and NMR spectroscopy to analyze pathogenic FGF receptor mutants with gradations in gain-of-function activity. These structural analyses revealed a "two-state" dynamic equilibrium model whereby the kinase toggles between an "inhibited," structurally rigid ground state and a more dynamic and heterogeneous active state. The pathogenic mutations have different abilities to shift this equilibrium toward the active state. The increase in the fractional population of FGF receptors in the active state correlates with the degree of gain-of-function activity and clinical severity. Our data demonstrate that the fractional population of RTKs in the active state determines intrinsic kinase activity and underscore how a slight increase in the active population of kinases can have grave consequences for human health.

    Organizational Affiliation: 

    Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY 10016, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Fibroblast growth factor receptor 2
A, B
324Homo sapiensMutation(s): 2 
Gene Names: FGFR2 (BEK, KGFR, KSAM)
EC: 2.7.10.1
Find proteins for P21802 (Homo sapiens)
Go to Gene View: FGFR2
Go to UniProtKB:  P21802
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4
Download SDF File 
Download CCD File 
A, B
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
ACP
Query on ACP
Download SDF File 
Download CCD File 
B
PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER
ADENOSINE-5'-[BETA, GAMMA-METHYLENE]TRIPHOSPHATE
C11 H18 N5 O12 P3
UFZTZBNSLXELAL-IOSLPCCCSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3067 Å
  • R-Value Free: 0.234 
  • R-Value Work: 0.187 
  • Space Group: P 43 2 2
Unit Cell:
Length (Å)Angle (°)
a = 73.785α = 90.00
b = 73.785β = 90.00
c = 313.749γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data reduction
HKL-2000data scaling
PHENIXrefinement
HKL-2000data collection
AMoREphasing

Structure Validation

View Full Validation Report or Ramachandran Plots


View more in-depth experimental data

Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2013-08-07
    Type: Initial release
  • Version 1.1: 2013-08-21
    Type: Database references
  • Version 1.2: 2016-12-28
    Type: Structure summary