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 (MX-300) MARRESEARCH -- 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_scangle_it 3.874
r_scbond_it 2.423
r_mcangle_it 1.604
r_mcbond_it 0.904
r_gen_planes_refined 0.007
r_chiral_restr 0.099
r_dihedral_angle_4_deg 18.557
r_dihedral_angle_3_deg 13.808
r_dihedral_angle_2_deg 37.902
r_dihedral_angle_1_deg 5.131
r_angle_refined_deg 1.402
r_bond_refined_d 0.015
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

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