7JTH

Cryo-EM structure of unliganded octameric prenyltransferase domain of Phomopsis amygdali fusicoccadiene synthase


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d8.604
f_angle_d0.574
f_chiral_restr0.037
f_plane_restr0.005
f_bond_d0.003
Sample
Unliganded Phomopsis amygdali fusicoccadiene synthase octamer
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlot for 4.5 seconds before plunging.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles94974
Reported Resolution (Å)4
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsFollowing final reconstruction, sharpening was applied using DeepEMhancer. Reconstruction before sharpening is supplied as an additional map.
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)43
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONCTFFIND4.1
RECONSTRUCTIONcryoSPARC2.5.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION362627