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 PEG3350, 16%V/V ETHYLENE GLYCOL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.24 α = 90
b = 91.24 β = 90
c = 93.47 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
2.1 50 99.8 0.06 -- -- 11.0 -- 26631 -- 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)
2.1 2.18 100.0 0.68 -- 3.8 10.2 --

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 2.1 50.0 -- -- -- 25239 1338 99.72 -- 0.19666 0.19512 0.22471 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 2.101 2.156 -- 84 1832 0.261 0.266 -- 99.48
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 46.142
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 2.834
r_scbond_it 1.734
r_mcangle_it 1.181
r_mcbond_other 0.138
r_mcbond_it 0.635
r_gen_planes_other 0.001
r_gen_planes_refined 0.005
r_chiral_restr 0.077
r_dihedral_angle_4_deg 19.704
r_dihedral_angle_3_deg 14.694
r_dihedral_angle_2_deg 36.491
r_dihedral_angle_1_deg 5.447
r_angle_other_deg 0.868
r_angle_refined_deg 1.291
r_bond_other_d 0.001
r_bond_refined_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2285
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 173

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