4BLF
Variable internal flexibility characterizes the helical capsid formed by Agrobacterium VirE2 protein on single-stranded DNA.
ELECTRON MICROSCOPY
Sample |
---|
CRYOEM RECONSTRUCTION OF THE AGROBACTERIUM T-COMPLEX |
Specimen Preparation | |
---|---|
Sample Aggregation State | HELICAL ARRAY |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details | VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 95, INSTRUMENT- HOMEMADE PLUNGER |
3D Reconstruction | |
---|---|
Reconstruction Method | HELICAL |
Number of Particles | 8019 |
Reported Resolution (Å) | 20 |
Resolution Method | |
Other Details | PARTICLES WERE PRE-SELECTED USING XMIPP, AND RECONSTRUCTION WAS CARRIED OUT USING IHRSR PROGRAM IMPLEMENTED IN THE SPIDER PACKAGE. THIS ATOMIC STRUCTU ... |
Refinement Type | |
Symmetry Type | HELICAL |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (3BTP) | ||||
Refinement Space | RECIPROCAL | ||||
Refinement Protocol | RIGID BODY FIT | ||||
Refinement Target | Cross-correlation coefficient | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--RIGID BODY REFINEMENT PROTOCOL--X-RAY |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GENERIC TVIPS | ||||||||
Electron Dose (electrons/Å**2) | 20 |
Imaging Experiment | 1 |
---|---|
Date of Experiment | 2008-06-06 |
Temperature (Kelvin) | |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 1000 |
Maximum Defocus (nm) | 3200 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 50000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
MODEL FITTING | fitPDB2EM | |
RECONSTRUCTION | Bsoft | |
RECONSTRUCTION | EMAN | |
RECONSTRUCTION | IHRSR | |
RECONSTRUCTION | SPIDER | |
RECONSTRUCTION | Xmipp |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE-FLIPPING |