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 = 131.88 α = 90
b = 131.88 β = 90
c = 131.88 γ = 90
Symmetry
Space Group I 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 1999-06-10
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
1.9 10 99.9 0.074 -- -- 6.4 31422 31422 0.0 0.0 28.5
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)
1.9 1.97 99.5 0.38 -- 3.8 2.8 2822

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
-- 1.9 10.0 0.0 0.0 31422 31422 1519 99.9 0.194 0.194 0.192 0.238 random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.7
RMS Deviations
Key Refinement Restraint Deviation
p_mcangle_it 2.1
p_scangle_it 2.9
p_multtor_nbd 0.25
p_chiral_restr 0.109
p_bond_d 0.011
p_planar_tor 3.8
p_mcbond_it 1.4
p_xyhbond_nbd 0.14
p_transverse_tor 29.9
p_scbond_it 1.8
p_singtor_nbd 0.176
p_angle_d 0.031
p_special_tor 0.0
p_planar_d 0.04
p_staggered_tor 14.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2153
Nucleic Acid Atoms 0
Heterogen Atoms 74
Solvent Atoms 219

Software

Software
Software Name Purpose
AMoRE phasing
REFMAC refinement
d*TREK data scaling