8RTT

Structure of the formin Cdc12 bound to the barbed end of phalloidin-stabilized F-actin.


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.7342
f_angle_d0.4714
f_chiral_restr0.039
f_plane_restr0.0029
f_bond_d0.0021
Sample
Complex of the dimeric FH2 domain of S. Pombe Cdc12 bound to the barbed end of phalloidin stabilized F-actin.
Sample Components
Actin filament
Dimeric FH2 domain of S. Pombe Cdc12
Phalloidin.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification Details3 seconds, force 0.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles154570
Reported Resolution (Å)3.56
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsRefinement performed in RELION.
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (8A2S, 6T1Y)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)64.6
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS0.01
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details300 kV Titan Krios G2 microscope (Thermo Fisher Scientific) with an in-column Cs-corrector.
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcrYOLO1.5.8
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.13
MODEL FITTINGUCSF ChimeraX1.5
MODEL FITTINGCoot0.9.8.1
INITIAL EULER ASSIGNMENTcryoSPARCv3.3.2
FINAL EULER ASSIGNMENTRELION3.1.0
CLASSIFICATIONRELION3.1.0
RECONSTRUCTIONRELION3.1.0
MODEL REFINEMENTCoot0.9.8.1
MODEL REFINEMENTPHENIX1.21rc1_5015
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION5200600Particles picked using SPHIRE-crYOLO.