REL PDBe PDBe PDBe 2008-06-11 2008-06-12 2010-01-26 2012-10-10 Structure of Thermusphage P23-77 using electron cryomicroscopy and three-dimensional image reconstruction Jaatinen ST Happonen LJ Laurinmaki P Butcher SJ Bamford DH Icosahedral thermophilic bacterial virus Jaatinen ST Happonen LJ Laurinmaki P Butcher SJ Bamford DH Biochemical and structural characterisation of membrane-containing icosahedral dsDNA bacteriophages infecting thermophilic Thermus thermophilus. VIROLOGY 379 10 19 2008 18657283 doi:10.1016/j.virol.2008.06.023 Thermusphage P23-77 Thermusphage P23-77
The sample was purified on a sucrose gradient, and stored at 28 C prior to plunging.
1 1 Thermus phage P23-77 Thermus phage P23-77 Thermus thermophilus BACTERIA(EUBACTERIA) 780 28 VIRION STRAIN true false Thermusphage P23-77 singleParticle particle 7.5
20 mM Tris-HCl pH 7.5, 1mM MgCl2, 0.1 mM CaCl2
 NEGATIVE
Vitrified. Grids were blotted for roughly one second before being plunged into liquid ethane.
400 mesh copper grid, Quantifoil R2/2 holey
 ETHANE HOMEMADE PLUNGER
Vitrification instrument: Guillotine
A small vial of ethane is placed inside a larger liquid nitrogen reservoir. The grid holding 3 microliters of the sample is held in place at the bottom of a plunger by the means of fine tweezers. When the liquid ethane is ready, a piece of filter paper is then pressed against the sample to blot off excess buffer, sufficient to leave a thin layer on the grid. The filter paper is removed, and the plunger is allowed to drop into the liquid ethane. Once the grid enters the liquid ethane, the sample is rapidly frozen, and the grid is transferred under liquid nitrogen to a storage box immersed in liquid nitrogen for later use in the microscope. FEI TECNAI 20 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.0 1.0 3.0 50000.0 49300.0 GATAN LIQUID NITROGEN
Low dose conditions.
2007-03-19 KODAK SO-163 FILM ZEISS SCAI 14 25
Images were scanned at 7 microns, and binned by 2 to 14 microns step size.
 Side entry liquid nitrogen-cooled cryo specimen holder
The particles were selected using an automatic selection program (ETHAN).
Each micrograph
 I OTHER 14.0 FSC 0.5 CUT-OFF PFT, POR, EM3DR2, P3DR 880 emd_1525.map.gz 1 IMAGE STORED AS SIGNED INTEGER (2 BYTES) 401 401 401 0 0 0 401 401 401 1122.8 1122.8 1122.8 90 90 90 X Y Z -16509.0 32443.0 -34.956800000000001 3684.760000000000218 2.8 2.8 2.8 6480.0 This is a 14 A resolution cryo-EM reconstruction of Thermusphage P23-77
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