1GW8
quasi-atomic resolution model of bacteriophage PRD1 sus607 mutant, obtained by combined cryo-EM and X-ray crystallography.
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1HX6 |
Sample |
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BACTERIOPHAGE PRD1 SUS607 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details | ETHANE |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 1729 |
Reported Resolution (Å) | 13.3 |
Resolution Method | |
Other Details | RIGID BODY REFINEMENT AGAINST CRYO-EM MAP XPLOR 3.851 (BRUNGER). DATA USED IN REFINEMENT. RESOLUTION RANGE HIGH INFINITY RESOLUTION RANGE LOW 15A DATA ... |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | I |
Map-Model Fitting and Refinement | |||||
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Id | 1 (1HX6) | ||||
Refinement Space | RECIPROCAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | R-factor | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY |
Data Acquisition | |||||||||
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Detector Type | KODAK SO-163 FILM | ||||||||
Electron Dose (electrons/Å**2) | 6 |
Imaging Experiment | 1 |
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Date of Experiment | 2001-12-01 |
Temperature (Kelvin) | 95 |
Microscope Model | FEI/PHILIPS CM200FEG |
Minimum Defocus (nm) | 1300 |
Maximum Defocus (nm) | 4100 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 50000 |
Calibrated Magnification | 45100 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | EMfit | |
RECONSTRUCTION | MRC IMAGE PROCESSING PACKAGE | |
RECONSTRUCTION | SPIDER |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE RESTORATION BY CTF- MULTIPLICATION OF IMAGES; AMPLITUDE RESTORATION BY COMPARISON WITH QUASI- ATOMIC MODEL |