X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 298.0
Details ammonium sulfate, sodium chloride, sodium acetate, pH 6.0, vapor diffusion, hanging drop, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 64.05 α = 90
b = 64.05 β = 90
c = 63.69 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 273
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD Nonius Kappa CCD -- 2005-03-17
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SEALED TUBE ENRAF-NONIUS FR590 0.7107 -- --

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
1.4 10 90.8 0.111 -- -- -- -- 23442 -- -- --
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)
1.4 1.45 44.6 0.782 -- -- -- 2576

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 1.6 6.0 -- 0.0 -- 19618 1946 98.5 -- -- 0.2 0.24 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 1.6 1.7 -- 331 2837 0.332 0.372 0.02 97.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 16.617
Anisotropic B[1][1] 0.14
Anisotropic B[1][2] -0.21
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.14
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.28
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.012
c_improper_angle_d 1.01
c_mcangle_it 4.39
c_dihedral_angle_d 24.9
c_angle_deg 1.6
c_mcbond_it 3.53
c_scbond_it 5.48
c_scangle_it 7.36
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 949
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 225

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement version: 1.1
PDB_EXTRACT data extraction version: 3.006
HKL-2000 data collection
CNS phasing