X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 2.1 M AMMONIUM SULFATE, 100 MM MES PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 154.39 α = 90
b = 154.39 β = 90
c = 126.42 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 -- 2008-01-27
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
2.25 47.7 96.3 0.1 -- -- 7.1 -- 35245 -- 2.0 --
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)
2.25 2.3 96.3 0.48 -- 4.0 7.3 --

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
MOLECULAR REPLACEMENT 2.25 47.67 -- -- -- 33831 1410 100.0 -- 0.20988 0.20717 0.27508 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 2.25 2.308 -- 102 2443 0.302 0.364 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.012
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.01
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.218
r_mcbond_it 1.235
r_gen_planes_refined 0.012
r_dihedral_angle_4_deg 19.52
r_angle_refined_deg 2.238
r_scbond_it 3.306
r_bond_refined_d 0.025
r_scangle_it 4.888
r_dihedral_angle_1_deg 7.342
r_dihedral_angle_2_deg 37.351
r_dihedral_angle_3_deg 17.783
r_mcangle_it 2.155
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4199
Nucleic Acid Atoms 0
Heterogen Atoms 164
Solvent Atoms 370

Software

Software
Software Name Purpose
REFMAC refinement version: 5.4.0069
XDS data reduction
XSCALE data scaling
XDS phasing