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 = 101.1 α = 90
b = 101.1 β = 90
c = 49.2 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE (MAR345) MARRESEARCH MIRROR --
Diffraction Radiation
Monochromator Protocol
NO SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE NONIUS FR591 -- -- --

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
1.7 50.5 99.4 -- 0.052 -- 4.9 -- 28445 -- -- --
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)
1.7 1.8 99.6 -- 0.296 3.7 4.5 --

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 1.7 50.5 -- 0.0 -- 28445 2859 99.4 -- -- 0.191 0.24 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.012
p_angle_d 1.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1608
Nucleic Acid Atoms 0
Heterogen Atoms 75
Solvent Atoms 269

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building