X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Cubic Lipid Phase
pH 5.6
Temperature 293.0
Details monoolein, octyl-beta-D-glucopyranoside, pH 5.6, cubic lipid phase, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.8 α = 90
b = 121.3 β = 90
c = 85.7 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM -- 1998-10-16
Diffraction Radiation
Monochromator Protocol
double crystal monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 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
2.2 30 91.5 0.056 -- -- 13.0 12730 11949 1.0 -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)
2.25 2.28 94.7 0.553 -- 2.2 4.1 646

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 2.25 12.0 1.0 1.0 13069 10213 535 -- 0.25 0.216 0.213 0.244 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.108
c_bond_d 0.0082
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1629
Nucleic Acid Atoms 0
Heterogen Atoms 161
Solvent Atoms 33

Software

Software
Software Name Purpose
X-PLOR model building
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing