7OUI

Structure of C2S2M2-type Photosystem supercomplex from Arabidopsis thaliana (digitonin-extracted)


ELECTRON MICROSCOPY
Sample
Photosystem II - Light Harvesting Complex II supercomplex (PSII-LHCII, C2S2M2-type)
Sample Components
CP24-LHCII (M-trimer)
LHCII S-trimer
CP29
CP26
Photosystem II core complex (dimer)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlot force -5 Wait time 1s Blotting time 5s
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles100712
Reported Resolution (Å)2.79
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
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)1.49
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 Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU2.7.0
CTF CORRECTIONcryoSPARC2.15
INITIAL EULER ASSIGNMENTcryoSPARC2.15
FINAL EULER ASSIGNMENTcryoSPARC2.15
RECONSTRUCTIONcryoSPARC2.15
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE