X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 277.0
Details Peg MMe, MES, MAgnesium Sulfate, HEGA-9, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 147.48 α = 90
b = 121.77 β = 100.74
c = 126.67 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 -- 2002-11-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1.0 APS 17-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
2.4 30 99.8 0.064 -- -- 5.0 85883 85711 0.0 -3.0 47.6
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)
2.4 2.5 99.7 0.315 -- 2.2 5.0 8543

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 2.4 30.0 -- 0.0 85874 85708 5354 99.8 -- 0.239 0.232 0.277 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 2.4 2.5 8538 433 8105 0.318 0.341 -- 99.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 49.7
Anisotropic B[1][1] -0.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 8.501
Anisotropic B[2][2] -21.375
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 21.295
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.12
c_scbond_it 1.78
c_scangle_it 2.62
c_angle_deg 1.37
c_dihedral_angle_d 20.82
c_improper_angle_d 0.95
c_bond_d 0.012
c_mcangle_it 1.84
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Sigma A (Observed) 0.39
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.42
Luzzati Sigma A (R-Free Set) 0.45
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11705
Nucleic Acid Atoms 0
Heterogen Atoms 225
Solvent Atoms 362

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing
CNX refinement
HKL-2000 data reduction