1QPE

STRUCTURAL ANALYSIS OF THE LYMPHOCYTE-SPECIFIC KINASE LCK IN COMPLEX WITH NON-SELECTIVE AND SRC FAMILY SELECTIVE KINASE INHIBITORS

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.254 
  • R-Value Work: 0.189 
  • R-Value Observed: 0.189 

wwPDB Validation   3D Report Full Report


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


Literature

Structural analysis of the lymphocyte-specific kinase Lck in complex with non-selective and Src family selective kinase inhibitors.

Zhu, X., Kim, J.L., Newcomb, J.R., Rose, P.E., Stover, D.R., Toledo, L.M., Zhao, H., Morgenstern, K.A.

(1999) Structure 7: 651-661

  • DOI: 10.1016/s0969-2126(99)80086-0
  • Primary Citation of Related Structures:  
    1QPC, 1QPD, 1QPE, 1QPJ

  • PubMed Abstract: 

    • The lymphocyte-specific kinase Lck is a member of the Src family of non-receptor tyrosine kinases. Lck catalyzes the initial phosphorylation of T-cell receptor components that is necessary for signal transduction and T-cell activation. On the basis of both biochemical and genetic studies, Lck is considered an attractive cell-specific target for the design of novel T-cell immunosuppressants ...

    The lymphocyte-specific kinase Lck is a member of the Src family of non-receptor tyrosine kinases. Lck catalyzes the initial phosphorylation of T-cell receptor components that is necessary for signal transduction and T-cell activation. On the basis of both biochemical and genetic studies, Lck is considered an attractive cell-specific target for the design of novel T-cell immunosuppressants. To date, the lack of detailed structural information on the mode of inhibitor binding to Lck has limited the discovery of novel Lck inhibitors.

    Organizational Affiliation: 

    Kinetix Pharmaceuticals, Inc., Medford, MA 02155, USA. zhu@kinetixpharm.com



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
LCK KINASEA279Homo sapiensMutation(s): 1 
Gene Names: LCK
EC: 2.7.1.112 (PDB Primary Data), 2.7.10.2 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P06239 (Homo sapiens)
Explore P06239 
Go to UniProtKB:  P06239
PHAROS:  P06239
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP06239
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PP2
Query on PP2
Download Ideal Coordinates CCD File 
E [auth A]1-TERT-BUTYL-3-(4-CHLORO-PHENYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-YLAMINE
C15 H17 Cl N5
PBBRWFOVCUAONR-UHFFFAOYSA-O		 Ligand Interaction
SO4
Query on SO4
Download Ideal Coordinates CCD File 
B [auth A],
C [auth A],
D [auth A]		SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L		 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
PTR
Query on PTR		A L-PEPTIDE LINKINGC9 H12 N O6 PTYR
Binding Affinity Annotations 
IDSourceBinding Affinity
PTR BindingDB:  1QPE Kd: 4.00e+5 (nM) from 1 assay(s)
PP2 Binding MOAD:  1QPE IC50: 20 (nM) from 1 assay(s)
PDBBind:  1QPE IC50: 20 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 0.254 
  • R-Value Work: 0.189 
  • R-Value Observed: 0.189 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 42.5α = 90
b = 74.09β = 90
c = 91.98γ = 90
Software Package:
Software NamePurpose
AMoREphasing
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling

Structure Validation

View Full Validation Report



View more in-depth experimental data
Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2000-05-31
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance