X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 292.0
Details 0.05M tri-sodium citrate, 0.1M sodium phosphate, 24% PEG 3400, 0.2M ammonium sulphate, pH 5.5, VAPOR DIFFUSION, HANGING DROP at 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.49 α = 90
b = 57.06 β = 97.07
c = 91.04 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-05-12
Diffraction Radiation
Monochromator Protocol
sagitally focused Ge SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 0.9340 ESRF ID14-1

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
2.7 30 96.7 0.097 -- -- 9.6 12910 12620 -- -- 42.4
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)
2.7 2.8 92.8 0.323 -- -- -- --

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 2.7 19.46 0.0 0.0 12910 12488 1286 96.9 0.263 0.229 0.229 0.287 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 2.7 2.87 1168 225 1785 0.31 0.385 0.026 93.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 27.0
Anisotropic B[1][1] 3.12
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 7.18
Anisotropic B[2][2] -5.29
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.18
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 27.0
c_improper_angle_d 0.88
c_angle_deg 1.5
c_scangle_it 2.56
c_mcbond_it 1.18
c_mcangle_it 2.04
c_scbond_it 1.61
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.36
Luzzati Sigma A (Observed) 0.42
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.47
Luzzati Sigma A (R-Free Set) 0.57
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3764
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 53

Software

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