X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Cubic Lipid Phase
pH 5.6
Temperature 295.0
Details cubic lipid phase with mono-olein and potassium phosphate, pH 5.60, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.18 α = 90
b = 61.18 β = 90
c = 111.15 γ = 120
Symmetry
Space Group P 63

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM -- 2001-08-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 0.979 ALS 5.0.2

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
1.43 25 96.2 0.037 -- -- -- -- 41822 -3.0 -3.0 --
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)
1.43 1.48 89.4 0.664 -- 2.4 -- --

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 1.43 25.0 -- 0.0 41822 41809 2090 96.2 -- 0.134 0.134 0.176 THIN SHELLS
RMS Deviations
Key Refinement Restraint Deviation
s_anti_bump_dis_restr 0.008
s_non_zero_chiral_vol 0.062
s_zero_chiral_vol 0.064
s_from_restr_planes 0.0245
s_angle_d 0.029
s_bond_d 0.012
Coordinate Error
Parameter Value
Number Disordered Residues 13.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 2073.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1720
Nucleic Acid Atoms 0
Heterogen Atoms 330
Solvent Atoms 23

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELX Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building