X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Cubic Lipid Phase
pH 5.6
Temperature 295.0
Details MONO-OLEIN, POTASSIUM PHOSPHATE, pH 5.60, CUBIC LIPID PHASE, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.07 α = 90
b = 61.07 β = 90
c = 110.23 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 -- 2002-12-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.930 SSRL BL9-1

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
1.86 25 99.5 0.084 -- -- -- 21424 21424 -- -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)
1.86 1.93 98.0 0.759 -- 3.4 -- --

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 1.86 25.0 -- 0.0 21404 17726 1020 99.5 0.1988 0.1914 -- 0.22 THIN SHELLS
RMS Deviations
Key Refinement Restraint Deviation
s_anti_bump_dis_restr 0.153
s_non_zero_chiral_vol 0.056
s_zero_chiral_vol 0.039
s_from_restr_planes 0.0197
s_angle_d 0.041
s_bond_d 0.022
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 2072.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1717
Nucleic Acid Atoms 0
Heterogen Atoms 328
Solvent Atoms 25

Software

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