9H2L | pdb_00009h2l

Cryo-EM structure of an octameric G10-resistosome from wheat


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d6.15
f_angle_d0.518
f_chiral_restr0.04
f_bond_d0.003
f_plane_restr0.003
Sample
Wheat auto immunity -3 Protein
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details3 microlitre of the sample was applied on a graphene coated Quantafoil grid R1.2/1.3 copper grid and vitrification was performed using vitrobot
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles12203
Reported Resolution (Å)3.95
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsThe half-maps and resolution were obtained using RELION software
Refinement Type
Symmetry TypePOINT
Point SymmetryC8
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsThe atomic model was fitted flexibly using coot and refined using Phenix realspace refinement module
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1300
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 SELECTIONRELION5.0
IMAGE ACQUISITIONEPU3.4
CTF CORRECTIONRELION4.0
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTRELION5.0
RECONSTRUCTIONRELION5.0
MODEL REFINEMENTPHENIX1.21_5207:
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY