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 NITRATE, 14% W/V PEG 3350, 16% V/V ETHYLENE GLYCOL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.8 α = 90
b = 90.8 β = 90
c = 93.38 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
2.2 50 99.6 0.07 -- -- 7.4 -- 22945 -- 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)
2.2 2.28 99.5 0.51 -- 4.6 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 2.2 78.57 -- -- -- 21747 1178 99.63 -- 0.20206 0.20042 0.23338 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 2.201 2.258 -- 80 1584 0.247 0.282 -- 99.22
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.714
Anisotropic B[1][1] 0.21
Anisotropic B[1][2] 0.11
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.32
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_other 0.002
r_dihedral_angle_2_deg 35.942
r_chiral_restr 0.089
r_bond_refined_d 0.013
r_angle_other_deg 0.88
r_scangle_it 3.063
r_dihedral_angle_4_deg 20.533
r_mcbond_other 0.134
r_scbond_it 1.846
r_dihedral_angle_1_deg 5.166
r_mcbond_it 0.692
r_angle_refined_deg 1.454
r_dihedral_angle_3_deg 15.674
r_mcangle_it 1.298
r_bond_other_d 0.001
r_gen_planes_refined 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2252
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 145

Software

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