2G01

Pyrazoloquinolones as Novel, Selective JNK1 inhibitors


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.2277Protein was preincubated with the JIP1 peptide at a 5x molar excess. Protein concentration 9-12.6 mg/mL. Hanging drops consisted of 2uL protein plus 2uL well solution over 1 mL of well solution. Well solution: 2.8-3.1 M Ammonium Sulfate, 10-14% glycerol. For Co-crystallization experiment compound was dissolved in DMSO at 100 mM concentration. Allow to incubate for at least an hour on ice. Solution was spun for 5 minutes at 2000g prior to setting up for crystallization. , pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
Crystal Properties
Matthews coefficientSolvent content
4.472.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 150.622α = 90
b = 150.622β = 90
c = 118.996γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 42004-10-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-IDAPS17-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
13.52081.70.0650.06527.95.819322157931146.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
3.53.6263.70.3650.3652.65.31859

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1jnk, JNK3 KINASE3.519.8921932215493152677.90.2960.2860.2830.354RANDOM85.1
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-8.527.59-8.517
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.8
c_angle_deg1.4
c_improper_angle_d0.99
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5862
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms56

Software

Software
Software NamePurpose
CNXrefinement
SDMSdata reduction
HKL-2000data scaling
CNXphasing