X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details VAPOR DIFFUSION AT 293 K MIXING 2 MICROLITERS OF A SOLUTION CONTAINING THE ENZYME, NUCLEOTIDES, AND 50 MM MGCL2 WITH 2 MICROLITERS OF A SOLUTION CONTAINING 21% PEG 3350, 100 MM TRIS HCL PH 8.0 AND 50 MICROLITERS OF DEAD SEA WATER.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.2 α = 90
b = 100.2 β = 90
c = 49.2 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Radiation
Monochromator Protocol
YES SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
1.9 70 96.8 -- 0.054 -- 4.9 -- 19646 -- -- --
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)
1.9 2.0 97.3 -- 0.144 3.2 4.3 --

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 1.9 70.0 -- 0.0 -- 19650 2019 96.8 -- -- 0.226 0.283 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1577
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 162

Software

Software
Software Name Purpose
REFMAC refinement version: 5
XDS data reduction
XSCALE data scaling