X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 10% PEG4000, 8% ETHYLENE GLYCOL, 0.10M SODIUM PARA-TOLUENE SULFONATE,0.10M SODIUM HEPES, PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 179.7 α = 90
b = 174.1 β = 90
c = 59.9 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-02-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 -- SRS PX14.2

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
2.95 20 95.2 0.063 -- -- 6.0 -- 37651 -- 3.0 78.3
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)
2.95 3.02 91.4 0.327 -- -- -- --

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 3.0 20.0 -- 0.0 -- 36626 1824 95.3 -- 0.254 0.254 0.295 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 3.0 3.19 -- 293 5441 0.337 0.386 0.023 91.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 60.4
Anisotropic B[1][1] -4.3
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.28
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.009
c_dihedral_angle_d 24.7
c_mcangle_it 2.55
c_scangle_it 2.68
c_improper_angle_d 0.87
c_mcbond_it 1.42
c_angle_deg 1.3
c_scbond_it 1.67
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.44
Luzzati Sigma A (Observed) 0.38
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.54
Luzzati Sigma A (R-Free Set) 0.48
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10477
Nucleic Acid Atoms 0
Heterogen Atoms 895
Solvent Atoms 183

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing