X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details PROTEIN WAS CRYSTALLISED FROM 50-60% SATURATED AMMONIUM SULFATE IN SODIUM ACETATE BUFFER (50 MM) AT PH 4., pH 4.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 64.52 α = 90
b = 64.52 β = 90
c = 32.57 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU MIRRORS 1995-07
Diffraction Radiation
Monochromator Protocol
NI FILTER 0.00015" --
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
1.65 30 99.6 0.068 0.068 -- 6.7 -- 6061 -- -- 19.03
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)
1.65 1.71 96.9 0.141 -- 4.9 2.3 --

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
OTHER OTHER 1.65 50.0 -- 0.0 -- 6050 275 99.6 -- -- 0.171 0.201 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.08
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 14.7
p_staggered_tor 16.8
p_planar_tor 5.7
p_xyhbond_nbd 0.086
p_multtor_nbd 0.259
p_bond_d 0.011
p_angle_d 0.024
p_planar_d 0.029
p_mcbond_it 2.157
p_mcangle_it 3.284
p_scbond_it 4.874
p_scangle_it 7.108
p_chiral_restr 0.117
p_singtor_nbd 0.179
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 422
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 36

Software

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