7ZJ5
Unbound state of a brocolli-pepper aptamer FRET tile.
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 14.6795 |
f_angle_d | 0.6507 |
f_chiral_restr | 0.0405 |
f_plane_restr | 0.0034 |
f_bond_d | 0.0024 |
Sample |
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Unbound state of a brocolli-pepper aptamer FRET tile |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | LEICA EM GP |
Cryogen Name | ETHANE |
Sample Vitrification Details | 3 uL sample, blotted onto double layer of whatman filter paper for 6 seconds. |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 51278 |
Reported Resolution (Å) | 4.55 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | Local refinement was performed in cryoSPARC using a mask that covers the entire particle volume |
Refinement Type | |
Symmetry Type | POINT |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (7PTQ, 7EOP) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K3 BIOQUANTUM (6k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 60 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 700 |
Maximum Defocus (nm) | 2000 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
CTF CORRECTION | cryoSPARC | 3 |
MODEL FITTING | UCSF ChimeraX | |
MODEL REFINEMENT | PHENIX | |
MODEL REFINEMENT | ISOLDE | |
INITIAL EULER ASSIGNMENT | cryoSPARC | 3 |
FINAL EULER ASSIGNMENT | cryoSPARC | 3 |
CLASSIFICATION | cryoSPARC | 3 |
RECONSTRUCTION | cryoSPARC | 3 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 478981 | Picked from templates generated from an ab initio model |