EMD-2074

Single-particle
18.0 Å
EMD-2074 Deposition: 13/04/2012
Map released: 01/05/2013
Last modified: 24/07/2013
Overview 3D View Sample Experiment Validation Volume Browser Additional data Links
Overview 3D View Sample Experiment Validation Volume Browser Additional data Links

EMD-2074

map of the complex of the HA7 Fab with avian flu virus hemagglutinin by negative staining EM

EMD-2074

Single-particle
18.0 Å
EMD-2074 Deposition: 13/04/2012
Map released: 01/05/2013
Last modified: 24/07/2013
Overview 3D View Sample Experiment Validation Volume Browser Additional data Links
Method: Single-particle
Aggregation State: Particle
Specimen preparation [1]
Buffer
pH: 7.4
Details: 50mM NaCl, 10mM Tris-HCL,1mM CaCl2, pH7.4
Staining
Type: NEGATIVE
Details: Grids with adsorbed protein floated on 2% w/v uranyl formate for 30 seconds
Grid
Details: 300 mesh copper grid with carbon support, glow discharged in vacuumed air
Vitrification
Cryogen name: NONE
Instrument: OTHER
Microscopy [1]
Microscope: FEI TECNAI F20
Illumination mode: FLOOD BEAM
Imaging mode: BRIGHT FIELD
Electron source: FIELD EMISSION GUN
Acceleration voltage: 200 kV
Nominal CS: 2.0 mm
Nominal defocus: 1.2 µm - 3.6 µm
Calibrated magnification: 70000.0
Specimen holder model: SIDE ENTRY, EUCENTRIC
Alignment procedure: LEGACY (Astigmatism: Objective lens astigmatism was corrected at 70,000 times magnification., Electron beam tilt params: )
Minimum tilt angle: 0
Maximum tilt angle: 0
Image Recording [1]
Detector category: CCD
Detector model: GENERIC TVIPS (4k x 4k)
Number of real images: 53
Average electron dose per image: 50 e/Å2
Bits per pixel: 8.0
Image processing [1]
Details: Image processing was done using EMAN2.The particles were selected by a semi-automatic selection using e2boxer.
Final reconstruction
Resolution: 18.0 Å ( BY AUTHOR)
Resolution method: FSC 0.5 CUT-OFF
Number of images used: 3172
Algorithm: OTHER
Details: C3 symmetry was imposed in refinement
Applied Symmetry
Point group: C3
Software [1]
Name Version Details
EMAN2 - -
CTF correction
Details:Each particle
Map
Format: CCP4
Data type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotation details: 3D reconstruction from negative staining EM images of the trimeric Fab/hemagglutinin complex
Details: ::::EMDATABANK.org::::EMD-2074::::
Geometry
X Y Z
Dimensions 72 72 72
Origin -36 -36 -36
Spacing 72 72 72
Voxel size 4.28 Å 4.28 Å 4.28 Å
Contour list
Primary Level Source
True 1.8 AUTHOR