8DNZ

Cryo-EM structure of the human Sec61 complex inhibited by apratoxin F


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d3.9598
f_angle_d0.5129
f_chiral_restr0.0367
f_plane_restr0.0047
f_bond_d0.0038
Sample
A human-yeast chimeric Sec complex treated with apratoxin F
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot for 4 seconds before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles497555
Reported Resolution (Å)2.57
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
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 ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)1600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONWarp1.0.9
CTF CORRECTIONcryoSPARC3.3
MODEL FITTINGCoot0.9.8
MODEL REFINEMENTPHENIX1.19
INITIAL EULER ASSIGNMENTcryoSPARC3.3
FINAL EULER ASSIGNMENTcryoSPARC3.3
RECONSTRUCTIONcryoSPARC3.3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION