X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.4
Details 15% PEG 4000, 0.20 - 0.40 M SODIUM PYRUVATE, 0.015 M MES-KOH (pH 6.4)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 150.77 α = 90
b = 150.77 β = 90
c = 84.63 γ = 120
Symmetry
Space Group P 64 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 2001-09-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.54 -- --

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
2.6 30 93.8 0.082 -- -- 3.3 16888 16888 2.0 -2.0 --
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)
2.6 2.69 92.4 0.306 -- 9.1 3.1 --

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 2.6 20.0 -- 2.0 -- 16580 844 92.1 -- 0.178 0.173 0.23 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
RMS Deviations
Key Refinement Restraint Deviation
t_bond_d 0.03
t_dihedral_angle_d 18.73
t_trig_c_planes 0.014
t_gen_planes 0.18
t_angle_deg 2.067
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3252
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 138

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
TNT refinement
CNS phasing