X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Streak Seeding
pH 7.5
Details STREAK SEEDING FROM UNPHOSPHORYLATED CDK2 CRYSTALS, USING PHOSPHORYLATED CDK2 PROTEIN PREEQUILIBRATED AGAINST WELL SOLUTION. PROTEIN AT 10 MG/ML IN 50MM TRIS/HCL PH7.5, 50MM NACL. WELL SOLUTION OF 12-16% PEG 3350, 0.1M TRIS/HCL PH 7.5, 50MM AMMONIUM ACETATE., streak seeding

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.42 α = 90
b = 71.66 β = 90
c = 72.52 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
IMAGE PLATE MAR scanner 345 mm plate -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
2.1 20 96.3 0.12 -- -- 4.4 -- 15947 -- 0.0 --
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)
2.1 2.23 97.2 0.38 -- 2.0 -- --

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
OTHER 2.1 20.0 -- 0.0 -- 15947 -- 96.0 -- -- 0.2 0.27 RANDOM 5%
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.02
p_angle_d 0.049
p_chiral_restr 0.172
p_planar_d 0.044
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2338
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 145

Software

Software
Software Name Purpose
REFMAC refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)