Experiment: 4D0A

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

ELECTRON CRYSTALLOGRAPHY

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4CZB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4		pH 4.0

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.5	α = 90
b = 103.3	β = 90
c = 200	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	electron	4				2012-12-01

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
ELECTRON CRYSTALLOGRAPHY		4CZB	6

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 Atoms	Number
Protein Atoms	3175
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
2DX	refinement

Sample
sodium proton antiporter MjNhaP1 from Methanocaldococcus jannaschii

Specimen Preparation
Sample Aggregation State	2D ARRAY
Vitrification Instrument
Cryogen Name	NITROGEN
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	CRYSTALLOGRAPHY
Number of Particles
Reported Resolution (Å)	6
Resolution Method	OTHER
Other Details
Refinement Type
Symmetry Type	2D CRYSTAL

Data Acquisition
Detector Type	KODAK SO-163 FILM
Electron Dose (electrons/Å**2)	25

Imaging Experiment	1
Date of Experiment	2012-12-01
Temperature (Kelvin)
Microscope Model	JEOL KYOTO-3000SFF
Minimum Defocus (nm)	120
Maximum Defocus (nm)	1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	OTHER
Specimen Holder Model
Nominal Magnification	60000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details