7W9W

2.02 angstrom cryo-EM structure of the pump-like channelrhodopsin ChRmine

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.722
r_lrange_other	15.762
r_lrange_it	15.759
r_dihedral_angle_3_deg	13.571
r_scangle_it	9.267
r_scangle_other	9.265
r_dihedral_angle_4_deg	7.182
r_mcangle_it	6.116
r_mcangle_other	6.114
r_scbond_it	5.756
r_scbond_other	5.754
r_dihedral_angle_1_deg	5.563
r_mcbond_it	4.314
r_mcbond_other	4.288
r_angle_refined_deg	1.647
r_angle_other_deg	1.28
r_symmetry_nbd_refined	0.194
r_nbd_refined	0.171
r_nbtor_refined	0.166
r_nbd_other	0.139
r_symmetry_nbd_other	0.116
r_xyhbond_nbd_refined	0.116
r_symmetry_xyhbond_nbd_refined	0.105
r_chiral_restr	0.084
r_symmetry_nbtor_other	0.069
r_gen_planes_refined	0.01
r_bond_refined_d	0.008
r_gen_planes_other	0.004
r_bond_other_d	0.002

Sample
ChRmine

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

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	185895
Reported Resolution (Å)	2.02
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C3

Map-Model Fitting and Refinement
Id	1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	51.533

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	800
Maximum Defocus (nm)	1600
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

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION