X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Details 0.1M HEPES PH 7.8, 0.1M MAGNESIUM SULFATE, 14% W/V PEG 3350, 16% V/V ETHYLENE GLYCOL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.2 α = 90
b = 91.2 β = 90
c = 92.74 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2007-06-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID -- APS 22-ID

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
2.35 50 99.9 0.07 -- -- 7.0 -- 19012 -- 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)
2.35 2.43 100.0 0.45 -- 4.9 7.0 --

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 2.35 50.0 -- -- -- 18003 980 99.57 -- 0.20226 0.20032 0.23899 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 2.347 2.408 -- 77 1231 0.258 0.316 -- 94.99
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 46.342
Anisotropic B[1][1] -0.28
Anisotropic B[1][2] -0.14
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.28
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.42
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.077
r_dihedral_angle_3_deg 16.443
r_dihedral_angle_1_deg 5.221
r_bond_other_d 0.001
r_scangle_it 3.313
r_bond_refined_d 0.015
r_dihedral_angle_4_deg 21.537
r_scbond_it 2.035
r_angle_refined_deg 1.525
r_gen_planes_other 0.001
r_mcbond_other 0.134
r_mcangle_it 1.364
r_angle_other_deg 0.849
r_dihedral_angle_2_deg 38.708
r_gen_planes_refined 0.005
r_mcbond_it 0.713
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2252
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 123

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0104
HKL-3000 data reduction
SCALEPACK data scaling
MOLREP phasing