5WSG

Cryo-EM structure of the Catalytic Step II spliceosome (C* complex) at 4.0 angstrom resolution


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.203
f_angle_d1.419
f_chiral_restr0.069
f_bond_d0.016
f_plane_restr0.007
Sample
Yeast Step II Catalytically Activated Spliceosome (C* spliceosome)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles27558
Reported Resolution (Å)4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.6
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelGATAN LIQUID NITROGEN
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION1.4
CTF CORRECTIONCTFFIND3
INITIAL EULER ASSIGNMENTRELION1.4
FINAL EULER ASSIGNMENTRELION1.4
CLASSIFICATIONRELION1.4
RECONSTRUCTIONRELION1.4
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE