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_scangle_it 3.063
r_scbond_it 1.846
r_mcangle_it 1.298
r_mcbond_other 0.134
r_mcbond_it 0.692
r_gen_planes_other 0.002
r_gen_planes_refined 0.006
r_chiral_restr 0.089
r_dihedral_angle_4_deg 20.533
r_dihedral_angle_3_deg 15.674
r_dihedral_angle_2_deg 35.942
r_dihedral_angle_1_deg 5.166
r_angle_other_deg 0.88
r_angle_refined_deg 1.454
r_bond_other_d 0.001
r_bond_refined_d 0.013
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

Computing
Computing Package Purpose
HKL3000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.5.0104 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0104 refinement
MOLREP model building