5A1A
2.2 A resolution cryo-EM structure of beta-galactosidase in complex with a cell-permeant inhibitor
ELECTRON MICROSCOPY
Sample |
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ESCHERICHIA COLI BETA- GALACTOSIDASE WITH PETG |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | LEICA EM GP |
Cryogen Name | ETHANE |
Sample Vitrification Details | BLOT FOR 2 SECONDS BEFORE PLUNGING INTO LIQUID ETHANE (LEICA EM GP). |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 41123 |
Reported Resolution (Å) | 2.2 |
Resolution Method | |
Other Details | SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2984. (DEPOSITION ID: 13171). |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | D2 |
Data Acquisition | |||||||||
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Detector Type | GATAN K2 (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 45 |
Imaging Experiment | 1 |
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Date of Experiment | 2014-12-15 |
Temperature (Kelvin) | 79.7 |
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 | |
Nominal Magnification | 215000 |
Calibrated Magnification | 215000 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
RECONSTRUCTION | FREALIGN |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
EACH PARTICLE |