X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details AS FOR PDB ENTRY 1AW5, pH 8.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.2 α = 90
b = 103.2 β = 90
c = 167.7 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2002-02-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 -- ESRF ID29

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
1.6 44.7 96.2 0.055 -- -- 7.2 -- 57568 -- -- 28.66
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)
1.6 1.7 96.2 0.388 -- 2.5 2.6 --

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 1.6 44.7 -- 0.0 57545 57545 2920 96.2 -- -- 0.188 0.241 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 40.51
RMS Deviations
Key Refinement Restraint Deviation
p_multtor_nbd 0.015
p_plane_restr 0.007
p_bond_d 0.005
p_angle_d 0.013
p_chiral_restr 0.009
p_planar_d 0.009
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.292
Luzzati Resolution Cutoff (Low) 44.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2637
Nucleic Acid Atoms 0
Heterogen Atoms 21
Solvent Atoms 342

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CCP4 Structure Solution
CCP4 Structure Refinement
Software
Software Name Purpose
CCP4 model building
CCP4 refinement