1KOE

ENDOSTATIN


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.190 
  • R-Value Observed: 0.190 

wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Crystal structure of the angiogenesis inhibitor endostatin at 1.5 A resolution.

Hohenester, E.Sasaki, T.Olsen, B.R.Timpl, R.

(1998) EMBO J 17: 1656-1664

  • DOI: 10.1093/emboj/17.6.1656
  • Primary Citation of Related Structures:  
    1KOE

  • PubMed Abstract: 
  • A number of extracellular proteins contain cryptic inhibitors of angiogenesis. Endostatin is a 20 kDa C-terminal proteolytic fragment of collagen XVIII that potently inhibits endothelial cell proliferation and angiogenesis. Therapy of experimental cancer with endostatin leads to tumour dormancy and does not induce resistance ...

    A number of extracellular proteins contain cryptic inhibitors of angiogenesis. Endostatin is a 20 kDa C-terminal proteolytic fragment of collagen XVIII that potently inhibits endothelial cell proliferation and angiogenesis. Therapy of experimental cancer with endostatin leads to tumour dormancy and does not induce resistance. We have expressed recombinant mouse endostatin and determined its crystal structure at 1.5 A resolution. The structure reveals a compact fold distantly related to the C-type lectin carbohydrate recognition domain and the hyaluronan-binding Link module. The high affinity of endostatin for heparin is explained by the presence of an extensive basic patch formed by 11 arginine residues. Endostatin may inhibit angiogenesis by binding to the heparan sulphate proteoglycans involved in growth factor signalling.


    Related Citations: 
    • Endostatin: An Endogenous Inhibitor of Angiogenesis and Tumor Growth
      O'Reilly, M.S., Boehm, T., Shing, Y., Fukai, N., Vasios, G., Lane, W.S., Flynn, E., Birkhead, J.R., Olsen, B.R., Folkman, J.
      (1997) Cell 88: 277

    Organizational Affiliation

    Department of Crystallography, Birkbeck College, London WC1E 7HX, UK. e.hohenester.cryst.bbk.ac.uk



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
ENDOSTATINA172Mus musculusMutation(s): 0 
Gene Names: Col18a1
UniProt & NIH Common Fund Data Resources
Find proteins for P39061 (Mus musculus)
Explore P39061 
Go to UniProtKB:  P39061
IMPC:  MGI:88451
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.50 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.190 
  • R-Value Observed: 0.190 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 45.56α = 90
b = 53.95β = 90
c = 65.85γ = 90
Software Package:
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
X-PLORmodel building
X-PLORrefinement
CCP4data scaling
X-PLORphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1999-02-16
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2021-03-31
    Changes: Advisory, Source and taxonomy