X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
pH 7.6
Details 0.1M HEPES PH 7.8, 0.2M MAGNESIUM NITRATE, 14%W/V PEG3350, 16%V/V ETHYLENE GLYCOL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.21 α = 90
b = 91.21 β = 90
c = 93.46 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 (MX-300) MARRESEARCH -- 2007-10-27
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 99.7 0.07 -- -- 6.9 -- 23346 -- 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 2.28 100.0 0.55 -- 3.7 6.9 --

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 2.2 50.0 -- -- -- 22111 1200 99.64 -- 0.19636 0.19481 0.22579 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 2.196 2.253 -- 104 1602 0.236 0.26 -- 99.77
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 46.273
Anisotropic B[1][1] 0.08
Anisotropic B[1][2] 0.04
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.08
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.12
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.249
r_scbond_it 1.961
r_mcangle_it 1.315
r_mcbond_other 0.137
r_mcbond_it 0.694
r_gen_planes_other 0.001
r_gen_planes_refined 0.006
r_chiral_restr 0.072
r_dihedral_angle_4_deg 20.748
r_dihedral_angle_3_deg 14.752
r_dihedral_angle_2_deg 38.651
r_dihedral_angle_1_deg 5.169
r_angle_other_deg 0.846
r_angle_refined_deg 1.318
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 2288
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 138

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