8KD9
Cryo-EM structure of Aquifex aeolicus minimal protein-only RNase P (HARP) in complex with pre-tRNAs
ELECTRON MICROSCOPY
Sample |
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Aquifex aeolicus RNA-free ribonuclease P, HARP, in complex with pre-tRNA |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 578312 |
Reported Resolution (Å) | 2.87 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 | ||||
Refinement Space | |||||
Refinement Protocol | |||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K3 (6k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 55 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | JEOL CRYO ARM 300 |
Minimum Defocus (nm) | 800 |
Maximum Defocus (nm) | 2000 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 60000 |
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 | 3.1.3 |
CTF CORRECTION | CTFFIND | 4.1 |
INITIAL EULER ASSIGNMENT | RELION | 3.1.3 |
FINAL EULER ASSIGNMENT | RELION | 3.1.3 |
CLASSIFICATION | RELION | 3.1.3 |
RECONSTRUCTION | RELION | 3.1.3 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 4522335 |