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 = 155.02 α = 90
b = 155.02 β = 90
c = 127.22 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 -- 2007-09-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
2.1 55.1 99.9 0.09 -- -- 7.3 -- 45161 -- 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)
2.1 2.2 99.9 0.28 -- 4.4 7.4 --

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 2.1 55.05 -- -- -- 43806 1355 100.0 -- 0.20125 0.19969 0.25277 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 2.1 2.154 -- 99 3225 0.282 0.343 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.893
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] 0.0
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.071
r_scbond_it 2.712
r_mcangle_it 1.818
r_mcbond_it 1.029
r_gen_planes_refined 0.009
r_chiral_restr 0.121
r_dihedral_angle_4_deg 18.42
r_dihedral_angle_3_deg 17.54
r_dihedral_angle_2_deg 37.501
r_dihedral_angle_1_deg 6.564
r_angle_refined_deg 1.782
r_bond_refined_d 0.017
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4195
Nucleic Acid Atoms 0
Heterogen Atoms 163
Solvent Atoms 342

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