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 = 152.84 α = 90
b = 152.84 β = 90
c = 86.36 γ = 120
Symmetry
Space Group P 64 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 2001-05-12
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
2.4 30 100.0 0.087 -- -- 9.1 23748 23748 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)
2.4 2.49 100.0 0.349 -- 10.1 7.9 --

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 2.4 20.0 -- 2.0 -- 23728 1187 99.9 -- 0.144 0.139 0.201 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
RMS Deviations
Key Refinement Restraint Deviation
t_trig_c_planes 0.16
t_gen_planes 0.019
t_angle_deg 1.78
t_dihedral_angle_d 17.7
t_bond_d 0.024
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3252
Nucleic Acid Atoms 0
Heterogen Atoms 26
Solvent Atoms 168

Software

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