X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Lipid Cubic Phase (lcp)
pH 7.5
Temperature 293.0
Details 100 mM Tris pH 7.5, 30% (v/v) PEG400, 400 mM lithium chloride , Lipid Cubic Phase (LCP), temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 195.29 α = 90
b = 45.5 β = 95.45
c = 74.28 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 300 mm CCD mirrors 2012-08-01
CCD MARMOSAIC 300 mm CCD mirrors 2012-08-01
Diffraction Radiation
Monochromator Protocol
double crystal SINGLE WAVELENGTH
double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 21-ID-D 1.0330 APS 21-ID-D
SYNCHROTRON APS BEAMLINE 23-ID-D 1.0330 APS 23-ID-D

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
2.7 50 92.0 0.16 -- -- 9.6 -- 16979 -- -- 56.86
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)
2.7 2.9 64.6 0.62 -- 1.7 4.3 --

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 2.7 25.62 -- 0.0 -- 16860 871 92.39 -- 0.2249 0.223 0.2612 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.7 2.89 -- 109 2183 0.2369 0.3322 -- 92.39
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 81.05
Anisotropic B[1][1] 7.563
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.6727
Anisotropic B[2][2] -12.4672
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.9042
RMS Deviations
Key Refinement Restraint Deviation
t_omega_torsion 2.16
t_angle_deg 1.02
t_other_torsion 3.34
t_bond_d 0.01
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.463
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2933
Nucleic Acid Atoms 0
Heterogen Atoms 57
Solvent Atoms 9

Software

Software
Software Name Purpose
Blu-Ice data collection
PHASER phasing
REFMAC refinement
BUSTER refinement version: 2.10.0
HKL-2000 data reduction
HKL-2000 data scaling