2VTA

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
Details 0.1M HEPES/NAOH PH7.4, 42.5MM AMMONIUM ACETATE, 7%(W/V)PEG 3350

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.46 α = 90
b = 71.32 β = 90
c = 72.46 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 CCD VARIMAX CONFOCAL MIRRORS --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU FR-E+ SUPERBRIGHT -- -- --

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 32.3 92.7 0.07 -- -- 2.72 -- 17897 -- 0.0 39.779
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)
2.0 2.07 87.3 0.4 -- 1.7 2.66 --

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 2.0 32.3 -- 0.0 -- 17895 886 92.54 -- 0.2356 0.2333 0.2801 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 2.0 2.12 -- 133 2539 0.2439 0.2852 -- 92.54
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 48.64
Anisotropic B[1][1] 2.59323
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -13.3026
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 10.7094
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2244
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 182

Software

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