4RSS

Crystal structure of tyrosine-protein kinase SYK with an inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.83 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.212 
  • R-Value Observed: 0.214 

wwPDB Validation 3D Report Full Report



Literature

Highly potent and selective pyrazolylpyrimidines as Syk kinase inhibitors.

Choi, J.S.Hwang, H.J.Kim, S.W.Lee, B.I.Lee, J.Song, H.J.Koh, J.S.Kim, J.H.Lee, P.H.

(2015) Bioorg Med Chem Lett 25: 4441-4446

  • DOI: 10.1016/j.bmcl.2015.09.011
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • A series of pyrazolylpyrimidine scaffold based Syk inhibitors were synthesized and evaluated for their biological activities and selectivity. Lead optimization efforts provided compounds with potent Syk inhibition in both enzymatic and TNF-α release ...

    A series of pyrazolylpyrimidine scaffold based Syk inhibitors were synthesized and evaluated for their biological activities and selectivity. Lead optimization efforts provided compounds with potent Syk inhibition in both enzymatic and TNF-α release assay.


    Organizational Affiliation

    Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea. Electronic address: phlee@kangwon.ac.kr.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tyrosine-protein kinase SYK
A
290Homo sapiensMutation(s): 0 
Gene Names: SYK
EC: 2.7.10.2
Find proteins for P43405 (Homo sapiens)
Go to UniProtKB:  P43405
NIH Common Fund Data Resources
PHAROS  P43405
Protein Feature View
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
4MG
Query on 4MG

Download CCD File 
A
1-[(3-methyl-1-{2-[(1,2,3-trimethyl-1H-indol-5-yl)amino]pyrimidin-4-yl}-1H-pyrazol-4-yl)methyl]azetidin-3-ol
C23 H27 N7 O
WVDKJJLIGILVRJ-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
4MGIC50:  1.7000000476837158   nM  Binding MOAD
4MGIC50:  1.7000000476837158   nM  BindingDB
4MGIC50:  56   nM  BindingDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.83 Å
  • R-Value Free: 0.249 
  • R-Value Work: 0.212 
  • R-Value Observed: 0.214 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 39.964α = 90
b = 88.281β = 91.48
c = 40.85γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2015-10-21
    Type: Initial release