2VTQ

Identification of N-(4-piperidinyl)-4-(2,6-dichlorobenzoylamino)-1H- pyrazole-3-carboxamide (AT7519), a Novel Cyclin Dependent Kinase Inhibitor Using Fragment-Based X-Ray Crystallography and Structure Based Drug Design.


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
otherIN-HOUSE STRUCTURE

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.70.1M HEPES/NAOH, PH7.0, 0.0475M AMMONIUM ACETATE, 12% W/V PEG 3350, pH 6.7
Crystal Properties
Matthews coefficientSolvent content
1.9937.58

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.512α = 90
b = 71.311β = 90
c = 72.101γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU CCDOSMIC CONFOCAL PURPLEMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200HR

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.932.1797.80.05164.82187630.984
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9788.50.33.33.44

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTIN-HOUSE STRUCTURE1.932.1721874109397.630.20230.20020.2436RANDOM37.63
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]
1.55302-6.024624.47159
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2211
Nucleic Acid Atoms
Solvent Atoms238
Heterogen Atoms25

Software

Software
Software NamePurpose
BUSTER-TNTrefinement
CrystalCleardata reduction
CrystalCleardata scaling
AMoREphasing