3D7U

Structural basis for the recognition of c-Src by its inactivator Csk

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 4.11 Å
  • R-Value Free: 0.302 
  • R-Value Work: 0.294 
  • R-Value Observed: 0.294 

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This is version 1.2 of the entry. See complete history. 


Literature

Structural basis for the recognition of c-Src by its inactivator Csk.

Levinson, N.M., Seeliger, M.A., Cole, P.A., Kuriyan, J.

(2008) Cell 134: 124-134

  • DOI: 10.1016/j.cell.2008.05.051
  • Primary Citation of Related Structures:  
    3D7T, 3D7U

  • PubMed Abstract: 

    • The catalytic activity of the Src family of tyrosine kinases is suppressed by phosphorylation on a tyrosine residue located near the C terminus (Tyr 527 in c-Src), which is catalyzed by C-terminal Src Kinase (Csk). Given the promiscuity of most tyros ...

    The catalytic activity of the Src family of tyrosine kinases is suppressed by phosphorylation on a tyrosine residue located near the C terminus (Tyr 527 in c-Src), which is catalyzed by C-terminal Src Kinase (Csk). Given the promiscuity of most tyrosine kinases, it is remarkable that the C-terminal tails of the Src family kinases are the only known targets of Csk. We have determined the crystal structure of a complex between the kinase domains of Csk and c-Src at 2.9 A resolution, revealing that interactions between these kinases position the C-terminal tail of c-Src at the edge of the active site of Csk. Csk cannot phosphorylate substrates that lack this docking mechanism because the conventional substrate binding site used by most tyrosine kinases to recognize substrates is destabilized in Csk by a deletion in the activation loop.

    Organizational Affiliation: 

    Department of Molecular and Cell Biology, Department of Chemistry, Howard Hughes Medical Institute, California Institute for Quantitative Biosciences (QB3), University of California, Berkeley, Berkeley, CA 94720, USA.



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Tyrosine-protein kinase CSKA, C263Homo sapiensMutation(s): 0 
Gene Names: CSK
EC: 2.7.10.2
Find proteins for P41240 (Homo sapiens)
Explore P41240 
Go to UniProtKB:  P41240
NIH Common Fund Data Resources
PHAROS  P41240
GTEx  ENSG00000103653
Protein Feature View
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  • Reference Sequence
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(by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Proto-oncogene tyrosine-protein kinase SrcB, D277Gallus gallusMutation(s): 0 
Gene Names: SRC
EC: 2.7.10.2
Find proteins for P00523 (Gallus gallus)
Explore P00523 
Go to UniProtKB:  P00523
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 4.11 Å
  • R-Value Free: 0.302 
  • R-Value Work: 0.294 
  • R-Value Observed: 0.294 
  • Space Group: P 31
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 135.839α = 90
b = 135.839β = 90
c = 129.509γ = 120
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

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Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-08-05
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2013-09-18
    Changes: Derived calculations