9H22 | pdb_00009h22

Cryo EM structure of RC-dLH complex model II from Gemmatimonas groenlandica


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 
Sample
RC-dLH complex model II from Gemmatimonas groenlandica
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Detailsblot time, 3 sec blot force, 3
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles116858
Reported Resolution (Å)2.3
Resolution MethodFSC 0.143 CUT-OFF
Other Detailsperformed in cryosparc
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Targetmap to model
Overall B Value60
Fitting Procedure
DetailsInitial model was established with coot. The model was fitted into map using chimera. The refinement was performed y the use of Phenix.
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification165000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.2.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.0
MODEL FITTINGCoot0.8.9.2
INITIAL EULER ASSIGNMENTcryoSPARC4.2.1
FINAL EULER ASSIGNMENTcryoSPARC4.2.1
CLASSIFICATIONcryoSPARC4.2.1
RECONSTRUCTIONcryoSPARC4.2.1
MODEL REFINEMENTPHENIX1.20.1-4487
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONCTF collection was performed within cryosparc935540cryosparc blob selection first, then model reference selection for final 3d reconstruction