7ZJ5

Unbound state of a brocolli-pepper aptamer FRET tile.


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.6795
f_angle_d0.6507
f_chiral_restr0.0405
f_plane_restr0.0034
f_bond_d0.0024
Sample
Unbound state of a brocolli-pepper aptamer FRET tile
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details3 uL sample, blotted onto double layer of whatman filter paper for 6 seconds.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles51278
Reported Resolution (Å)4.55
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsLocal refinement was performed in cryoSPARC using a mask that covers the entire particle volume
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7PTQ, 7EOP)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)700
Maximum Defocus (nm)2000
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)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONcryoSPARC3
MODEL FITTINGUCSF ChimeraX
MODEL REFINEMENTPHENIX
MODEL REFINEMENTISOLDE
INITIAL EULER ASSIGNMENTcryoSPARC3
FINAL EULER ASSIGNMENTcryoSPARC3
CLASSIFICATIONcryoSPARC3
RECONSTRUCTIONcryoSPARC3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION478981Picked from templates generated from an ab initio model