X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 20.0
Details 2.0 M ammonium sulphate, 20 mM potassium phosphate, 0.2 M EDTA, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 20.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 126.03 α = 90
b = 126.03 β = 90
c = 66.84 γ = 120
Symmetry
Space Group P 63

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 1999-12-28
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R -- -- --

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
1.75 10 95.8 0.04 -- -- 2.4 58487 58487 0.0 0.0 22.5
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)
1.75 1.81 85.2 0.225 -- 4.9 2.2 5174

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
-- 1.75 10.0 0.0 0.0 58487 58487 2952 95.8 0.182 0.182 0.18 0.214 random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.9
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.007
p_planar_tor 3.9
p_mcangle_it 3.8
p_scangle_it 5.4
p_singtor_nbd 0.174
p_transverse_tor 25.5
p_scbond_it 4.1
p_angle_d 0.024
p_chiral_restr 0.103
p_xyhbond_nbd 0.123
p_planar_d 0.014
p_multtor_nbd 0.233
p_staggered_tor 13.0
p_special_tor 0.0
p_mcbond_it 3.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4273
Nucleic Acid Atoms 0
Heterogen Atoms 94
Solvent Atoms 549

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
D*TREK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
AMORE model building
REFMAC refinement