6T1Y

Cryo-EM structure of phalloidin-stabilized F-actin (copolymerized)


ELECTRON MICROSCOPY
Sample
Filamentous phalloidin-stabilized alpha actin in complex with ADP-Pi
Sample Components
Filamentous alpha actin in complex with ADP-Pi
Phalloidin
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentGATAN CRYOPLUNGE 3
Cryogen NameETHANE
Sample Vitrification DetailsManual backside blotting using Whatman filter paper No.5.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles405264
Reported Resolution (Å)3.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (5OOD)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
DetailsAn initial model of phalloidin was generated using elBow within Phenix inputing the SMILES string provided by the ZINC data base.
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)71
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 CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsCs-corrected microscope
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1.5
CTF CORRECTIONRELION2-beta
MODEL FITTINGUCSF Chimera
INITIAL EULER ASSIGNMENTRELION2-beta
FINAL EULER ASSIGNMENTRELION2-beta
RECONSTRUCTIONRELION2-beta
MODEL REFINEMENTRosetta
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION598021