X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
pH 6
Temperature 298.0
Details ammonium sulfate, pH 6, batch, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.8 α = 90
b = 30.7 β = 105.61
c = 34.39 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-02-02
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 0.9503 CHESS F1

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
1.7 26.5 98.7 0.072 -- -- 2.9 14459 14459 0.0 0.0 13.6
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)
1.68 1.79 99.0 0.084 -- 8.8 2.8 2713

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
-- 1.7 26.33 -- 2.0 -- 14136 1395 98.2 -- -- 0.209 0.237 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.7 1.81 -- 241 2118 0.221 0.291 0.019 98.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 14.9
Anisotropic B[1][1] -2.01
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.13
Anisotropic B[2][2] 0.32
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.69
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.0
c_improper_angle_d 1.02
c_mcbond_it 1.13
c_scbond_it 2.13
c_bond_d 0.005
c_mcangle_it 1.62
c_scangle_it 3.12
c_dihedral_angle_d 16.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) -0.04
Luzzati Resolution Cutoff (Low) 26.54
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.13
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1203
Nucleic Acid Atoms 0
Heterogen Atoms 63
Solvent Atoms 146

Software

Software
Software Name Purpose
CNS refinement
DPS data reduction
CCP4 data scaling version: (SCALA)
CNS phasing