4UC1

High resolution crystal structure of translocator protein 18kDa (TSPO) from Rhodobacter sphaeroides (A139T Mutant) in C2 space group


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIPIDIC CUBIC PHASE7.529332% PEG 400, 0.05 M NaCl, 0.04 M MgCl2 and 0.1 M HEPES buffer
Crystal Properties
Matthews coefficientSolvent content
2.5351.36

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.632α = 90
b = 99.544β = 99.92
c = 95.21γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2014-06-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-B1.003APS23-ID-B

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
11.843.9799.90.08710.63.89799427.41
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.8499.913.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIRFREE R-VALUE1.843.9651.359799499.70.20230.20090.2467Random selection33.937
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.7
f_angle_d1.155
f_chiral_restr0.046
f_bond_d0.01
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3723
Nucleic Acid Atoms
Solvent Atoms83
Heterogen Atoms489

Software

Software
Software NamePurpose
PHENIXrefinement
Blu-Icedata collection
XDSdata scaling
XSCALEdata scaling
SHARPphasing
PHASERphasing
JBluIce-EPICSdata collection