5ZX5 | pdb_00005zx5

3.3 angstrom structure of mouse TRPM7 with EDTA

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.462
f_angle_d	1.469
f_chiral_restr	0.148
f_bond_d	0.016
f_plane_restr	0.008

Sample
Membrane Protein, Transient Receptor Potential ion channel

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK I
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	1039775
Reported Resolution (Å)	3.28
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C4

Data Acquisition
Detector Type	GATAN K2 BASE (4k x 4k)
Electron Dose (electrons/Å**2)	56

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI POLARA 300
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		2068004	Particle picking and subsequent bad particle elimination through 2D classification was performed using Python scripts/programs developed by Maofu Liao (Ru et al., 2015) with minor modifications in the 8x binned images.