4BPQ

Structure and substrate induced conformational changes of the secondary citrate-sodium symporter CitS revealed by electron crystallography


ELECTRON CRYSTALLOGRAPHY

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.5pH 4.5

Crystal Data

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

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11872012-12-12

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
167911480

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
ELECTRON CRYSTALLOGRAPHY6
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3110
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
2DXmodel building
2DXrefinement
2DXdata scaling
2DXphasing
Sample
secondary citrate-sodium symporter CitS
Specimen Preparation
Sample Aggregation State2D ARRAY
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodCRYSTALLOGRAPHY
Number of Particles
Reported Resolution (Å)6
Resolution MethodOTHER
Other Details
Refinement Type
Symmetry Type2D CRYSTAL
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)6
Imaging Experiment1
Date of Experiment2012-12-31
Temperature (Kelvin)
Microscope ModelFEI/PHILIPS CM200FEG
Minimum Defocus (nm)300
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification50000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details