4CI0
Electron cryo-microscopy of F420-reducing NiFe hydrogenase Frh
ELECTRON MICROSCOPY
Sample |
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F420 REDUCING HYDROGENASE |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK I |
Cryogen Name | ETHANE |
Sample Vitrification Details | VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 70, TEMPERATURE- 103, INSTRUMENT- FEI VITROBOT MARK I, METHOD- BLOTTING 2.5 SECONDS BEFORE PLUNGING, |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 26000 |
Reported Resolution (Å) | 3.36 |
Resolution Method | |
Other Details | FRH IS A FRHABG DODECAMER WITH TETRAHEDRAL SYMMETRY. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2513. (DEPOSITION ID: 12073). |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | T |
Map-Model Fitting and Refinement | |||||
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Id | 1 (3ZFS) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--FLEXIBLE REFINEMENT PROTOCOL--CRYO-EM |
Data Acquisition | |||||||||
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Detector Type | FEI FALCON II (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 22 |
Imaging Experiment | 1 |
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Date of Experiment | 2013-05-27 |
Temperature (Kelvin) | 79 |
Microscope Model | FEI POLARA 300 |
Minimum Defocus (nm) | 800 |
Maximum Defocus (nm) | 2500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 78000 |
Calibrated Magnification | 106000 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details | DATA WAS COLLECTED IN MOVIE MODE |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | Coot | |
RECONSTRUCTION | RELION |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
EACH IMAGE |