X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.62955mg/ml xanthorhodopsin in 30mM phosphate pH 5.6, 1mM Na azide was solubilized in 1/3 volume of 16.7% dimyristoyl phoshatidylcholine in 20% nonyl maltoside. Crystals grew in 2.5-3M Na phosphate, pH 5.6, 2.5 mM Na azide after 3-4 months, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.6854.03

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.74α = 76.35
b = 59.49β = 74.93
c = 59.72γ = 64.08
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152007-12-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-10.979SSRLBL9-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.945.194.10.0578.43.646289
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9785.50.4851.53.534215

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTION1.945.146278233394.10.2470.26546.446
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]
16.9333.302-16.013-0.766-6.765-16.167
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it2.859
c_mcangle_it2.257
c_scbond_it1.973
c_mcbond_it1.413
c_angle_deg1.349
c_bond_d0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3925
Nucleic Acid Atoms
Solvent Atoms62
Heterogen Atoms430

Software

Software
Software NamePurpose
d*TREKdata scaling
CNSrefinement
PDB_EXTRACTdata extraction
Blu-Icedata collection
d*TREKdata reduction
PHASERphasing