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 -- 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_scangle_it 4.888
r_scbond_it 3.306
r_mcangle_it 2.155
r_mcbond_it 1.235
r_gen_planes_refined 0.012
r_chiral_restr 0.218
r_dihedral_angle_4_deg 19.52
r_dihedral_angle_3_deg 17.783
r_dihedral_angle_2_deg 37.351
r_dihedral_angle_1_deg 7.342
r_angle_refined_deg 2.238
r_bond_refined_d 0.025
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

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
XDS Structure Solution
REFMAC 5.4.0069 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.4.0069 refinement
XDS model building