4D0A

3D EM map of the sodium proton antiporter MjNhaP1 from Methanocaldococcus jannaschii


ELECTRON CRYSTALLOGRAPHY

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14pH 4.0

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.5α = 90
b = 103.3β = 90
c = 200γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11electron42012-12-01

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
ELECTRON CRYSTALLOGRAPHY4CZB6
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 Atoms3175
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
2DXrefinement
Sample
sodium proton antiporter MjNhaP1 from Methanocaldococcus jannaschii
Specimen Preparation
Sample Aggregation State2D ARRAY
Vitrification Instrument
Cryogen NameNITROGEN
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)25
Imaging Experiment1
Date of Experiment2012-12-01
Temperature (Kelvin)
Microscope ModelJEOL KYOTO-3000SFF
Minimum Defocus (nm)120
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeOTHER
Specimen Holder Model
Nominal Magnification60000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details