3CU1 | pdb_00003cu1

Crystal Structure of 2:2:2 FGFR2D2:FGF1:SOS complex

• PDB DOI: https://doi.org/10.2210/pdb3CU1/pdb

• Classification: Transferase/Hormone
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-04-15 Released: 2009-04-21 
• Deposition Author(s): Guo, F., Dakshinamurthy, R., Thallapuranam, S.K.K., Sakon, J.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 
  0.277 (Depositor), 0.317 (DCC) 
• R-Value Work: 
  0.180 (Depositor), 0.261 (DCC) 
• R-Value Observed: 
  0.185 (Depositor) 

Literature

Crystal structure of 2:2:2 FGFR2D2:FGF1:SOS complex

Guo, F., Dakshinamurthy, R., Thallapuranam, S.K.K., Sakon, J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 55.07 kDa 
• Atom Count: 4,183 
• Modeled Residue Count: 459 
• Deposited Residue Count: 462 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fibroblast growth factor receptor 2	A, C	100	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 GTEx:  ENSG00000066468

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Heparin-binding growth factor 1	B, D	131	Homo sapiens	Mutation(s): 0  Gene Names: FGF1, FGFA
UniProt & NIH Common Fund Data Resources
Find proteins for P05230 (Homo sapiens) Explore P05230  Go to UniProtKB:  P05230
PHAROS:  P05230 GTEx:  ENSG00000113578

Oligosaccharides

Help

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
1,3,4,6-tetra-O-sulfo-beta-D-fructofuranose-(2-1)-2,3,4,6-tetra-O-sulfonato-alpha-D-glucopyranose	E, F	2		N/A
Glycosylation Resources
GlyTouCan:  G97555GV GlyCosmos:  G97555GV

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 3
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900013	E, F	sucrose octasulfate	Oligosaccharide / Substrate analog

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free:  0.277 (Depositor), 0.317 (DCC) 
• R-Value Work:  0.180 (Depositor), 0.261 (DCC) 
• R-Value Observed: 0.185 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.929	α = 90
b = 110.375	β = 90
c = 74.699	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-04-21 
Deposition Author(s): Guo, F., Dakshinamurthy, R., Thallapuranam, S.K.K., Sakon, J.

Revision History  

• Version 1.0: 2009-04-21
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2024-11-20
  Changes: Data collection, Database references, Refinement description, Structure summary