X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.8
Details 0.1M HEPES PH 7.8, 0.2M MAGNESIUM NITRATE, 14%W/V PEG 3350, 16%V/V ETHYLENE GLYCOL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.61 α = 90
b = 90.61 β = 90
c = 93.56 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 MX-300 -- 2007-10-26
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
1.89 50 97.7 0.09 -- -- 5.0 -- 34829 -- 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)
1.89 1.97 99.4 0.6 -- 4.9 4.9 --

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 1.89 50.0 -- -- -- 33074 1753 97.31 -- 0.19927 0.19743 0.23422 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 1.894 1.943 -- 124 2323 0.269 0.267 -- 92.62
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 41.987
Anisotropic B[1][1] 0.12
Anisotropic B[1][2] 0.06
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.12
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.18
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_1_deg 5.131
r_scbond_it 2.423
r_dihedral_angle_4_deg 18.557
r_mcbond_it 0.904
r_mcangle_it 1.604
r_scangle_it 3.874
r_dihedral_angle_3_deg 13.808
r_angle_refined_deg 1.402
r_bond_refined_d 0.015
r_chiral_restr 0.099
r_gen_planes_refined 0.007
r_dihedral_angle_2_deg 37.902
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2251
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 223

Software

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