7RQS | pdb_00007rqs

Arabidopsis RNA-dependent RNA polymerase 2


ELECTRON MICROSCOPY
Sample
RNA-dependent RNA polymerase 2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles277019
Reported Resolution (Å)3.57
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value173.2
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)6060
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)-800
Maximum Defocus (nm)-2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification59242
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3.2.0
CTF CORRECTIONcryoSPARC3.2.0
MODEL FITTINGBuccaneer
INITIAL EULER ASSIGNMENTcryoSPARC3.2.0
FINAL EULER ASSIGNMENTcryoSPARC3.2.0
CLASSIFICATIONcryoSPARC3.2.0
RECONSTRUCTIONcryoSPARC3.2.0
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE