X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 3
Details 0.055M NA2SO4 PH 3.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.83 α = 90
b = 57.83 β = 90
c = 54.84 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2009-02-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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 27 97.5 0.09 -- -- 7.8 -- 4948 -- 0.0 23.0
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 1.78 80.1 0.7 -- 3.5 5.5 --

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
MOLECULAR REPLACEMENT 1.9 20.0 -- -- -- 3704 170 99.67 -- 0.22448 0.22215 0.27816 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 1.9 1.949 -- 15 253 0.295 0.459 -- 98.17
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.943
Anisotropic B[1][1] -2.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.03
RMS Deviations
Key Refinement Restraint Deviation
r_sphericity_bonded 3.632
r_dihedral_angle_1_deg 9.789
r_rigid_bond_restr 2.234
r_scangle_it 5.705
r_mcbond_it 1.416
r_angle_refined_deg 2.272
r_scbond_it 3.681
r_gen_planes_refined 0.009
r_dihedral_angle_2_deg 38.249
r_sphericity_free 8.327
r_chiral_restr 0.131
r_mcangle_it 2.414
r_bond_refined_d 0.024
r_dihedral_angle_3_deg 16.796
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 359
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 24

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0082
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing