9YLX | pdb_00009ylx

Cryo-EM structure of the CbCash filament bound to cA4


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOther 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d9.715
f_angle_d0.462
f_chiral_restr0.045
f_plane_restr0.004
f_bond_d0.002
Sample
Octonary complex of CbCash filament with Cyclic tetraadenylate
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlot Force 15 Wait Time 0s Blot Time 3.5s
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles1008367
Reported Resolution (Å)2.45
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)58.96
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.6.1
IMAGE ACQUISITIONLeginon
CTF CORRECTIONcryoSPARC4.6.1
MODEL FITTINGcryoSPARC4.6.1
MODEL REFINEMENTcryoSPARC4.6.1
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC4.6.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION