7S24

Crystal structure of the Na+/H+ antiporter NhaA at pH 6.5


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIPIDIC CUBIC PHASE2930.1 M MES pH 6.5, 0.1 M NaCl, 0.1 M CaCl2, 24-45 % (v/v) PEG 400
Crystal Properties
Matthews coefficientSolvent content
2.6353.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.553α = 78.002
b = 47.335β = 67.119
c = 56.392γ = 79.24
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 4M2017-03-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE MASSIF-30.9667ESRFMASSIF-3

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
12.234.8491.640.9967.223.82004239.08
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.27992.910.531

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 REPLACEMENTFREE R-VALUE4AU52.234.841.9720042141491.660.21090.2090.235257.87
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_d14.2738
f_angle_d0.6278
f_chiral_restr0.0399
f_plane_restr0.0048
f_bond_d0.0036
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2799
Nucleic Acid Atoms
Solvent Atoms58
Heterogen Atoms66

Software

Software
Software NamePurpose
MxCuBEdata collection
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
MOLREPphasing