7KPN
Adeno-associated virus serotype 5 in complex with the cellular receptor AAVR at 2.5 Angstroms resolution, AAV5 AAVR
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3NTT |
Sample |
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Adeno-associated virus - 5 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | Two 2uL aliquots applied to grid (manual blotting between), prior to automated 3 second blot before plunging. |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 159673 |
Reported Resolution (Å) | 2.5 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Map-Model Fitting and Refinement | |||||
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Id | 1 (3NTT) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | Least-squares residual | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | Stand-alone RSRef was used for refinement of magnification, resolution, envelope correction and atomic B-factors. This was alternated with RSRef-embed ... |
Data Acquisition | |||||||||
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Detector Type | GATAN K3 (6k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 32.9 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | -700 |
Maximum Defocus (nm) | -2700 |
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 | 64000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
PARTICLE SELECTION | RELION | 3.0 |
CTF CORRECTION | CTFFIND | 4 |
MODEL FITTING | Coot | 0.8.9.2 |
MODEL REFINEMENT | RSRef | 0.5.8 |
MODEL REFINEMENT | CNS | 1.3 |
INITIAL EULER ASSIGNMENT | RELION | 3.0 |
FINAL EULER ASSIGNMENT | RELION | 3.0 |
CLASSIFICATION | RELION | 3.0 |
RECONSTRUCTION | RELION | 3.0 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING ONLY | CTF correction was performed on a per particle basis. | 168275 | LoG Picker was used for initial automated particle selection. Templates were then generated by 2D classification, followed by particle template selection in Relion 3.0. |