6E9D
Sub-2 Angstrom Ewald Curvature-Corrected Single-Particle Cryo-EM Reconstruction of AAV-2 L336C
ELECTRON MICROSCOPY
Sample |
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Adeno-associated virus - 2 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details | Double blotting was used to increase particle concentration. Sample was added to a plasma-cleaned (Gatan Solarus) grid and blotted away using Whatman ... |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 30515 |
Reported Resolution (Å) | 1.86 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | Frequency limited refinement |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | I |
Map-Model Fitting and Refinement | |||||
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Id | 1 (1LP3) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | Correlation coefficient, EM ringer score | ||||
Overall B Value | 61.9 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 22.5 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 600 |
Maximum Defocus (nm) | 2000 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
Nominal Magnification | 37000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details | Beam tilt in 8 directions +/- 5 mrad |
EM Software | ||
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Task | Software Package | Version |
PARTICLE SELECTION | Gautomatch | 0.56 |
IMAGE ACQUISITION | Leginon | |
CTF CORRECTION | RELION | 2.1 |
MODEL FITTING | Coot | 0.8.9.1 |
MODEL REFINEMENT | PHENIX | 1.13 |
INITIAL EULER ASSIGNMENT | cryoSPARC | 0.65 |
FINAL EULER ASSIGNMENT | FREALIGN | 9.11 |
CLASSIFICATION | FREALIGN | 9.11 |
RECONSTRUCTION | FREALIGN | 9.11 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | CTF estimation per particle - Gctf, CTF estimation per micrograph - CTFFIND4 | 78194 | Template-based picking by generating template from a 2-D classification of an initial subset of data. |