EMD-4253
Human Bact spliceosome state 7 core
EMD-4253
Single-particle6.1 Å
Deposition: 03/01/2018
Map released: 07/02/2018
Last modified: 07/02/2018
Concentration: 0.05
mg/mL
Buffer
Grid
Mesh: 400
Model: Quantifoil R3.5/1
Material: COPPER
Model: Quantifoil R3.5/1
Material: COPPER
Support Film [2]
Material | Topology | Thickness |
---|---|---|
CARBON | HOLEY | - |
CARBON | CONTINUOUS | - |
Vitrification
Cryogen name: ETHANE
Chamber humidity: 75%
Chamber temperature: 277 K
Instrument: LEICA EM GP
Details: Blot with blotting sensor.
Chamber humidity: 75%
Chamber temperature: 277 K
Instrument: LEICA EM GP
Details: Blot with blotting sensor.
Microscope: FEI TITAN KRIOS
Illumination mode: SPOT SCAN
Imaging mode: BRIGHT FIELD
Electron source: FIELD EMISSION GUN
Acceleration voltage: 300 kV
C2 aperture diameter: 70.0 µm
Nominal CS: 0.001 mm
Nominal defocus: 0.8 µm - 4.5 µm
Nominal magnification: 59000.0
Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Cooling holder cryogen: NITROGEN
Alignment procedure: COMA FREE ( Residual tilt: 14.0 mrad)
Illumination mode: SPOT SCAN
Imaging mode: BRIGHT FIELD
Electron source: FIELD EMISSION GUN
Acceleration voltage: 300 kV
C2 aperture diameter: 70.0 µm
Nominal CS: 0.001 mm
Nominal defocus: 0.8 µm - 4.5 µm
Nominal magnification: 59000.0
Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Cooling holder cryogen: NITROGEN
Alignment procedure: COMA FREE ( Residual tilt: 14.0 mrad)
Specialist optics
SPH aberration_corrector:
Microscope was modified with a Cs corrector with two hexapoles elements
Image Recording
[1]
Detector model:
FEI FALCON III (4k x 4k)
Detector mode: INTEGRATING
Dimensions: 4096 pixel x 4096 pixel
Sampling interval: 14.0 µm
Number of grids: 1
Number of real images: 32000
Average exposure time: 1.0 s
Average electron dose per image: 40.0 e/Å2
Detector mode: INTEGRATING
Dimensions: 4096 pixel x 4096 pixel
Sampling interval: 14.0 µm
Number of grids: 1
Number of real images: 32000
Average exposure time: 1.0 s
Average electron dose per image: 40.0 e/Å2
Final
reconstruction
Resolution: 6.1
Å
(
BY AUTHOR)
Resolution method: FSC 0.143 CUT-OFF
Number of images used: 30793
Resolution method: FSC 0.143 CUT-OFF
Number of images used: 30793
⌯ Applied Symmetry
Point group:
C1
Software
[1]
Name | Version | Details |
---|---|---|
RELION | 2.1 | - |
⦩ Final angle assignment
Particle selection
[1]
Selected | Ref. model | Method | Software | Details |
---|---|---|---|---|
3300000 | - | - | - | - |
Final 3D classification
Number of classes:
220
Software
[1]
Name | Version | Details |
---|---|---|
RELION | - | - |
CTF correction
Software
[1]
Name | Version | Details |
---|---|---|
Gctf | - | - |
Format: CCP4
Data type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Data type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
⬡ Geometry
X | Y | Z | |
---|---|---|---|
Dimensions | 326 | 326 | 326 |
Origin | 0 | 0 | 0 |
Spacing | 326 | 326 | 326 |
Voxel size | 1.5 Å | 1.5 Å | 1.5 Å |
Contour list
Primary | Level | Source |
---|---|---|
True | 0.0421 | AUTHOR |