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
DIFFRACTOMETER 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_mcbond_it 1.548
p_bond_d 0.013
p_mcangle_it 2.08
p_planar_d 0.029
p_special_tor 15.0
p_scbond_it 2.4
p_transverse_tor 24.4
p_angle_d 0.023
p_scangle_it 3.751
p_planar_tor 1.7
p_staggered_tor 15.4
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

Software
Software Name Purpose
CCP4 model building
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing