X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 13% PEG 4000, 1.0 M IMIDAZOLE/ MALATE, PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 107.8 α = 90
b = 107.8 β = 90
c = 42.8 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 292
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XENTRONICS COLLIMATOR 1992-05
Diffraction Radiation
Monochromator Protocol
NI FILTER --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.7 20 92.0 -- 0.085 -- 6.9 -- 28817 -- 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)
1.7 1.78 62.0 -- -- 1.5 -- --

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
MULTIPLE ISOMORPHOUS REPLACEMENT 1.7 20.0 -- 0.0 -- 27067 2769 86.9 -- 0.169 0.169 0.202 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 1.7 1.78 -- 270 2112 0.314 0.312 -- 62.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 17.7
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 5.25
x_scbond_it 3.37
x_mcangle_it 2.23
x_mcbond_it 1.47
x_improper_angle_d 1.181
x_bond_d 0.008
x_angle_deg 1.391
x_dihedral_angle_d 24.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2183
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 190

Software

Computing
Computing Package Purpose
XENGEN V. 1.3 Data Reduction (intensity integration)
XENGEN V. 1.3 Data Reduction (data scaling)
PHASES, X-PLOR 3.8 Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR version: 3.8 model building
PHASES model building