X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 292.0
Details Ethanol, Sodium Chloride, Tris-HCl, Hepes, DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.23 α = 90
b = 121.23 β = 90
c = 186.33 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV mirrors 2000-01-18
Diffraction Radiation
Monochromator Protocol
osmic mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU ULTRAX 18 -- -- --

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
2.5 43 99.3 0.071 0.071 -- 13.9 17501 17379 -- -3.0 31.5
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)
2.5 2.54 99.3 0.295 0.295 2.7 -- --

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 2.5 43.0 0.0 0.0 17501 17379 842 99.3 0.1947 0.1947 0.193 0.249 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 40.5
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 26.5
c_scbond_it 3.8
c_improper_angle_d 0.78
c_bond_d 0.007
c_angle_deg 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.36
Luzzati Resolution Cutoff (Low) 43.0
Luzzati ESD (R-Free Set) 0.39
Luzzati Sigma A (R-Free Set) 0.39
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1759
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 201

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MTF/ULTIMA model building
CNS refinement
MTF phasing
ULTIMA phasing