8QR0

Cryo-EM structure of the light-driven sodium pump ErNaR in the pentameric form at pH 4.3


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg16.565
r_long_range_B_refined12.184
r_long_range_B_other12.182
r_scangle_other10.632
r_dihedral_angle_2_deg8.194
r_scbond_it6.705
r_scbond_other6.704
r_dihedral_angle_1_deg5.979
r_mcangle_other5.781
r_mcangle_it5.78
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg16.565
r_long_range_B_refined12.184
r_long_range_B_other12.182
r_scangle_other10.632
r_dihedral_angle_2_deg8.194
r_scbond_it6.705
r_scbond_other6.704
r_dihedral_angle_1_deg5.979
r_mcangle_other5.781
r_mcangle_it5.78
r_mcbond_it4.082
r_mcbond_other4.078
r_angle_refined_deg1.756
r_angle_other_deg0.593
r_chiral_restr0.089
r_bond_refined_d0.012
r_gen_planes_refined0.009
r_gen_planes_other0.001
r_bond_other_d
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Sample
Light-driven sodium pump ErNaR
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles555297
Reported Resolution (Å)2.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC5
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)900
Maximum Defocus (nm)2700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeOTHER
Specimen Holder Model
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONcryoSPARC4.0.2
CLASSIFICATIONcryoSPARC4.0.2
RECONSTRUCTIONcryoSPARC4.0.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION