1EV2

CRYSTAL STRUCTURE OF FGF2 IN COMPLEX WITH THE EXTRACELLULAR LIGAND BINDING DOMAIN OF FGF RECEPTOR 2 (FGFR2)

• PDB DOI:  https://doi.org/10.2210/pdb1EV2/pdb

• Classification: GROWTH FACTOR/GROWTH FACTOR RECEPTOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2000-04-19 Released: 2000-05-31 
• Deposition Author(s): Plotnikov, A.N., Hubbard, S.R., Schlessinger, J., Mohammadi, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.273 
• R-Value Work: 0.248 
• R-Value Observed: 0.248 

Literature

Crystal structures of two FGF-FGFR complexes reveal the determinants of ligand-receptor specificity.

Plotnikov, A.N., Hubbard, S.R., Schlessinger, J., Mohammadi, M.

(2000) Cell 101: 413-424

• PubMed: 10830168 
• DOI: https://doi.org/10.1016/s0092-8674(00)80851-x
• Primary Citation of Related Structures:  
  1EV2, 1EVT


• PubMed Abstract: 
  

To elucidate the structural determinants governing specificity in fibroblast growth factor (FGF) signaling, we have determined the crystal structures of FGF1 and FGF2 complexed with the ligand binding domains (immunoglobulin-like domains 2 [D2] and 3 [D3]) of FGF receptor 1 (FGFR1) and FGFR2, respectively. Highly conserved FGF-D2 and FGF-linker (between D2-D3) interfaces define a general binding site for all FGF-FGFR complexes. Specificity is achieved through interactions between the N-terminal and central regions of FGFs and two loop regions in D3 that are subject to alternative splicing. These structures provide a molecular basis for FGF1 as a universal FGFR ligand and for modulation of FGF-FGFR specificity through primary sequence variations and alternative splicing.

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Organizational Affiliation: 

Department of Pharmacology, New York University School of Medicine, New York 10016, USA.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 8-mer - A4B4 

Local Symmetry: Cyclic - C2  (3D View)
Local Stoichiometry: Homo 2-mer - B2 Local Symmetry: Cyclic - C2  (3D View)
Local Stoichiometry: Homo 2-mer - B2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 159.39 kDa 
• Atom Count: 10,101 
• Modelled Residue Count: 1,310 
• Deposited Residue Count: 1,408 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (FIBROBLAST GROWTH FACTOR 2)	A, B, C, D	132	Homo sapiens	Mutation(s): 2  Gene Names: FGF2, FGFB
UniProt & NIH Common Fund Data Resources
Find proteins for P09038 (Homo sapiens) Explore P09038  Go to UniProtKB:  P09038
PHAROS:  P09038

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN (FIBROBLAST GROWTH FACTOR RECEPTOR 2)	E, F, G, H	220	Homo sapiens	Mutation(s): 0  Gene Names: FGFR2, BEK, KGFR, KSAM EC: 2.7.10.1
UniProt & NIH Common Fund Data Resources
Find proteins for P21802 (Homo sapiens) Explore P21802  Go to UniProtKB:  P21802
PHAROS:  P21802

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	I [auth A], J [auth B], K [auth C], L [auth D]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.273 
• R-Value Work: 0.248 
• R-Value Observed: 0.248 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.198	α = 90.53
b = 71.677	β = 89.98
c = 90.92	γ = 89.99

Software Package:

Software Name	Purpose
SDMS	data collection
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement
SDMS	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-05-31 
Deposition Author(s): Plotnikov, A.N., Hubbard, S.R., Schlessinger, J., Mohammadi, M.

Revision History  

• Version 1.0: 2000-05-31
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-11-03
  Changes: Database references, Derived calculations