X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details HANGING DROP VAPOR DIFFUSION, pH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.23 α = 90
b = 86.22 β = 90
c = 39.83 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE WEISSENBERG MIRRORS 1997-09-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-18B -- PHOTON FACTORY BL-18B

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
1.8 40 92.4 0.065 -- -- 6.4 -- 17669 -- 1.0 16.96
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)
1.8 1.86 76.8 0.16 -- -- -- --

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
SIRAS 1.8 20.0 -- 0.0 -- 17597 825 98.4 -- 0.173 0.171 0.218 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.23
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 15.0
p_transverse_tor 24.4
p_staggered_tor 15.4
p_planar_tor 1.7
p_bond_d 0.013
p_angle_d 0.023
p_planar_d 0.029
p_mcbond_it 1.548
p_mcangle_it 2.08
p_scbond_it 2.4
p_scangle_it 3.751
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1333
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 129

Software

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