5MZ6

Cryo-EM structure of a Separase-Securin complex from Caenorhabditis elegans at 3.8 A resolution


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.825
f_angle_d0.891
f_chiral_restr0.049
f_plane_restr0.006
f_bond_d0.005
Sample
Caenorhabditis elegans Separase-Securin complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification DetailsCustom Manual Plunger
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles103696
Reported Resolution (Å)3.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Space Group Name
Length a1
Length b1
Length c1
Angle Alpha90
Angle Beta90
Angle Gamma90
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.25
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 ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONGctf
MODEL FITTINGCoot0.88
INITIAL EULER ASSIGNMENTRELION2.0
FINAL EULER ASSIGNMENTRELION2.0
RECONSTRUCTIONRELION2.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION