X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 20% POLYETHYLENE GLYCOL 4000, 50 MM TRIS PH 7.0, 0.2 % SODIUM AZIDE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.83 α = 90
b = 50.83 β = 90
c = 140.29 γ = 120
Symmetry
Space Group P 32

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MACSCIENCE MIRRORS 1998-12-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE NONIUS FR391 -- -- --

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
2.3 22.4 94.8 -- 0.069 -- 2.52 -- 17239 -- -- 28.41
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)
2.3 2.38 85.2 -- 0.294 3.3 1.9 --

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
MIR 2.3 15.0 -- 0.0 -- 17184 1693 95.4 -- 0.207 0.199 0.283 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.44
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 22.8
p_staggered_tor 19.9
p_planar_tor 9.8
p_xyhbond_nbd 0.187
p_multtor_nbd 0.257
p_bond_d 0.013
p_angle_d 0.043
p_planar_d 0.074
p_mcbond_it 1.642
p_mcangle_it 2.541
p_scbond_it 1.864
p_scangle_it 2.92
p_plane_restr 0.0244
p_chiral_restr 0.148
p_singtor_nbd 0.191
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2606
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 145

Software

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