X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
pH 6
Temperature 276.0
Details PEG-3400, sodium chloride, magnesium chloride, MES, NADH, UDP-N-acetylglucosamine, pH 6.0, Batch, temperature 276K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.4 α = 90
b = 88.9 β = 90
c = 118.7 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 -- 2000-06-24
Diffraction Radiation
Monochromator Protocol
SAGITALLY FOCUSED Si(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM 1.0332 APS 19-BM

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
1.5 30 97.0 0.047 -- -- 5.4 104972 104972 0.0 0.0 --
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)
1.5 1.55 84.6 0.286 -- 2.9 3.6 --

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
FOURIER SYNTHESIS 1.5 30.0 0.0 0.0 104972 104972 7860 97.0 0.185 0.185 0.184 0.227 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
t_dihedral_angle_d 15.6
t_bond_d 0.011
t_angle_deg 2.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5334
Nucleic Acid Atoms 0
Heterogen Atoms 170
Solvent Atoms 931

Software

Computing
Computing Package Purpose
D*TREK Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
TNT Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
TNT model building