X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microdialysis
pH 5.75
Temperature 293.0
Details ENZYME: 7.5 mg/ml in 50 uL microdialysis button. BUFFER: 20 mm maleic acid, 3 mM sodium azide, 1 mM N-phosphonacetyl-L-aspartate, pH 5.75, MICRODIALYSIS, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 122.15 α = 90
b = 122.15 β = 90
c = 156.23 γ = 120
Symmetry
Space Group P 3 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR UCSD MARK III -- 1998-06-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.3 30 97.8 0.068 -- -- 4.4 60335 58790 0.0 0.0 36.0
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)
2.3 2.48 94.0 0.387 -- -- 2.0 --

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
-- 2.3 8.0 0.0 2.0 -- 57236 5720 -- -- -- 0.196 0.232 10% random
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.74
x_improper_angle_d 1.69
x_dihedral_angle_d 25.3
x_bond_d 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7228
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 1012

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.1
SDMS data reduction
SDMS data scaling
X-PLOR phasing