3T04

Crystal structure of monobody 7c12/abl1 sh2 domain complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.251 
  • R-Value Work: 0.190 
  • R-Value Observed: 0.193 

Starting Models: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Targeting the SH2-Kinase Interface in Bcr-Abl Inhibits Leukemogenesis.

Grebien, F.Hantschel, O.Wojcik, J.Kaupe, I.Kovacic, B.Wyrzucki, A.M.Gish, G.D.Cerny-Reiterer, S.Koide, A.Beug, H.Pawson, T.Valent, P.Koide, S.Superti-Furga, G.

(2011) Cell 147: 306-319

  • DOI: https://doi.org/10.1016/j.cell.2011.08.046
  • Primary Citation of Related Structures:  
    3T04

  • PubMed Abstract: 

    Chronic myelogenous leukemia (CML) is caused by the constitutively active tyrosine kinase Bcr-Abl and treated with the tyrosine kinase inhibitor (TKI) imatinib. However, emerging TKI resistance prevents complete cure. Therefore, alternative strategies targeting regulatory modules of Bcr-Abl in addition to the kinase active site are strongly desirable. Here, we show that an intramolecular interaction between the SH2 and kinase domains in Bcr-Abl is both necessary and sufficient for high catalytic activity of the enzyme. Disruption of this interface led to inhibition of downstream events critical for CML signaling and, importantly, completely abolished leukemia formation in mice. Furthermore, disruption of the SH2-kinase interface increased sensitivity of imatinib-resistant Bcr-Abl mutants to TKI inhibition. An engineered Abl SH2-binding fibronectin type III monobody inhibited Bcr-Abl kinase activity both in vitro and in primary CML cells, where it induced apoptosis. This work validates the SH2-kinase interface as an allosteric target for therapeutic intervention.


  • Organizational Affiliation

    Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Tyrosine-protein kinase ABL1123Homo sapiensMutation(s): 0 
Gene Names: ABLABL1JTK7
EC: 2.7.10.2
UniProt & NIH Common Fund Data Resources
Find proteins for P00519 (Homo sapiens)
Explore P00519 
Go to UniProtKB:  P00519
PHAROS:  P00519
GTEx:  ENSG00000097007 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP00519
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
MONOBODY 7C12B [auth D]103Homo sapiensMutation(s): 0 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations
Expand
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.251 
  • R-Value Work: 0.190 
  • R-Value Observed: 0.193 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 39.336α = 90
b = 49.396β = 90
c = 107.354γ = 90
Software Package:
Software NamePurpose
PHASERphasing
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2011-11-23
    Type: Initial release
  • Version 1.1: 2023-09-13
    Changes: Data collection, Database references, Derived calculations, Refinement description