2VTJ

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 Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.7
Details 0.1M HEPES/NAOH, 0.0475M AMMONIUM ACETATE, 12% W/V PEG3350, pH 6.7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.64 α = 90
b = 72.11 β = 90
c = 72.33 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD RIGAKU JUPITER OSMIC CONFOCAL PURPLE --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 HR -- -- --

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.2 32.33 99.4 0.07 -- -- 2.9 -- 14768 -- 0.0 37.036
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.2 2.27 98.4 0.24 -- 2.5 2.81 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.2 29.92 -- 0.0 -- 14613 707 99.33 -- 0.1896 0.186 0.2622 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.2 2.34 -- 114 2200 0.1903 0.2811 -- 99.33
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.49
Anisotropic B[1][1] 2.426
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -7.12863
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.70263
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2228
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 160

Software

Software
Software Name Purpose
BUSTER-TNT refinement version: 2.1.1
CrystalClear data reduction
CCP4 data scaling
AMoRE phasing