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 = 150.35 α = 90
b = 150.35 β = 90
c = 139.43 γ = 90
Symmetry
Space Group P 4 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2008-09-05
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
3.1 48.4 98.2 0.1 -- -- 5.7 -- 28167 -- 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)
3.1 3.2 98.2 0.3 -- 8.6 5.9 --

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 3.1 48.39 -- -- -- 28167 937 98.25 -- 0.2212 0.22016 0.25281 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 3.1 3.18 -- 64 2026 0.352 0.416 -- 98.08
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 73.731
Anisotropic B[1][1] -0.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.05
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.415
r_scbond_it 1.358
r_mcangle_it 1.146
r_dihedral_angle_4_deg 17.531
r_dihedral_angle_1_deg 5.988
r_chiral_restr 0.087
r_scangle_it 2.48
r_dihedral_angle_3_deg 19.034
r_gen_planes_refined 0.005
r_bond_refined_d 0.012
r_dihedral_angle_2_deg 35.627
r_mcbond_it 0.598
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8364
Nucleic Acid Atoms 0
Heterogen Atoms 264
Solvent Atoms 137

Software

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