X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Cubic Lipid Phase
pH 5.6
Temperature 20.0
Details MO:WATER:PHOSPHATE, pH 5.6, CUBIC LIPID PHASE, temperature 20K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.63 α = 90
b = 60.63 β = 90
c = 108.16 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 -- 1998-07-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 -- 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
1.55 25 99.1 0.069 -- -- -- 372549 34002 -- 0.0 --
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)
1.55 1.58 97.2 0.381 -- 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
-- 1.55 12.0 -- 0.0 32249 -- 1687 99.1 -- 0.158 -- 0.225 THIN RESOLUTION SHELLS
RMS Deviations
Key Refinement Restraint Deviation
s_anti_bump_dis_restr 0.013
s_non_zero_chiral_vol 0.079
s_zero_chiral_vol 0.072
s_from_restr_planes 0.264
s_angle_d 0.03
s_bond_d 0.01
Coordinate Error
Parameter Value
Number Disordered Residues 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)
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement