2AXM

HEPARIN-LINKED BIOLOGICALLY-ACTIVE DIMER OF FIBROBLAST GROWTH FACTOR

• PDB DOI: https://doi.org/10.2210/pdb2AXM/pdb

• Classification: GROWTH FACTOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 1997-10-20 Released: 1998-04-22 
• Deposition Author(s): Digabriele, A.D., Lax, I., Chen, D.I., Svahn, C.M., Jaye, M., Schlessinger, J., Hendrickson, W.A.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.307 
• R-Value Work: 0.218 
• R-Value Observed: 0.218 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 32.33 kDa 
• Atom Count: 2,167 
• Modelled Residue Count: 257 
• Deposited Residue Count: 270 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ACIDIC FIBROBLAST GROWTH FACTOR	A, B	135	Homo sapiens	Mutation(s): 0  Gene Names: ECGF
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: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose-(1-4)-2-O-sulfo-alpha-L-idopyranuronic acid-(1-4)-2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose	C	6		N/A
Glycosylation Resources
GlyTouCan:  G30141AL GlyCosmos:  G30141AL

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 0.307 
• R-Value Work: 0.218 
• R-Value Observed: 0.218 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.1	α = 90
b = 91.1	β = 90
c = 193.9	γ = 120

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
CCP4	data scaling
ROTAVATA	data scaling
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-04-22 
Deposition Author(s): Digabriele, A.D., Lax, I., Chen, D.I., Svahn, C.M., Jaye, M., Schlessinger, J., Hendrickson, W.A.

Revision History  

• Version 1.0: 1998-04-22
  Type: Initial release
  
• Version 1.1: 2008-03-10
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Other, Refinement description, Structure summary
• Version 2.1: 2023-08-09
  Changes: Database references, Refinement description, Structure summary