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 = 126.33 α = 90
b = 126.33 β = 90
c = 67.12 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 -- 1999-04-17
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
2.15 10 96.7 0.081 -- -- 2.43 32045 32045 0.0 0.0 27.8
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)
2.15 2.22 92.1 0.286 -- 4.5 2.26 3046

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
-- 2.15 10.0 0.0 0.0 32045 32045 1609 96.7 0.2 0.2 0.196 0.267 random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 37.8
RMS Deviations
Key Refinement Restraint Deviation
p_mcangle_it 1.98
p_multtor_nbd 0.25
p_planar_d 0.047
p_xyhbond_nbd 0.158
p_chiral_restr 0.141
p_planar_tor 4.8
p_mcbond_it 1.9
p_special_tor 0.0
p_transverse_tor 28.5
p_staggered_tor 16.6
p_bond_d 0.014
p_singtor_nbd 0.185
p_angle_d 0.04
p_scangle_it 3.28
p_scbond_it 2.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4302
Nucleic Acid Atoms 0
Heterogen Atoms 74
Solvent Atoms 297

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