3Q17

Structure of a slow CLC Cl-/H+ antiporter from a cyanobacterium in Bromide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION829130% PEG400, 0.1 M Tris-HBr, 0.2 M CaCl2 with 14 mM C-Hega-11, 6.2% PEG400 added to protein, pH 8.0, VAPOR DIFFUSION, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
6.55401981.232887

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 207.209α = 90
b = 207.209β = 90
c = 105.981γ = 120
Symmetry
Space GroupP 3 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152008-10-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.1ALS8.2.1

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
13.668.47997.80.2578.716.83066029893
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.63.7996.90.0161.570.516.4

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 3ND03.668.4790.129827149297.280.28190.28050.3102
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]
-29.0273-29.027358.0547
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.258
f_angle_d0.708
f_chiral_restr0.042
f_plane_restr0.005
f_bond_d0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6398
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms2

Software

Software
Software NamePurpose
PHENIXrefinement
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
CBASSdata collection
MOSFLMdata reduction
SCALAdata scaling