X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1monoolein lipidic cubic phase6.5298Peptide combined with monoolein at 15-20% (w/w) by codissolving in trifluoroethanol, LCP generated by mixing vacuum-dried solid components with water at 60:40 lipid:water ratio. 200 nL LCP bolus combined with 1 uL solution containing 0.1 M ADA pH 6.5, 24% MPD in glass sandwich plates. Crystals grew in less than 1 day. , monoolein lipidic cubic phase, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.3647.99

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 40.93α = 90
b = 41.23β = 95.68
c = 27.93γ = 90
Symmetry
Space GroupP 1 21/c 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2012-06-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-F0.97872APS21-ID-F

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
1219.3996.20.1278.887.14611917.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.0395.90.562.277.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 3LBW219.39591928396.640.28160.28080.2956RANDOM28.352
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
2.77-0.32-2.71-0.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.808
r_dihedral_angle_4_deg19.944
r_dihedral_angle_3_deg10.465
r_dihedral_angle_1_deg3.616
r_angle_refined_deg1.641
r_angle_other_deg0.799
r_chiral_restr0.086
r_bond_refined_d0.013
r_gen_planes_refined0.007
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.808
r_dihedral_angle_4_deg19.944
r_dihedral_angle_3_deg10.465
r_dihedral_angle_1_deg3.616
r_angle_refined_deg1.641
r_angle_other_deg0.799
r_chiral_restr0.086
r_bond_refined_d0.013
r_gen_planes_refined0.007
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms354
Nucleic Acid Atoms
Solvent Atoms4
Heterogen Atoms75

Software

Software
Software NamePurpose
XPREPdata reduction
REFMACrefinement
PDB_EXTRACTdata extraction
EMBLdata collection
XDSdata reduction
XSCALEdata scaling
PHASERphasing