REL RCSB RCSB RCSB 2011-12-20 2012-01-26 2012-10-24 2012-10-24 Direct electron detection yields cryo-EM reconstructions at resolutions beyond .75 Nyquist frequency Bammes BE Rochat RH Jakana J Chen D Chiu W Cryo-EM, Electron cryo-microscopy, Direct detection device, Active pixel sensor, CMOS detector, Nyquist frequency Bammes BE Rochat RH Jakana J Chen DH Chiu W Direct electron detection yields cryo-EM reconstructions at resolutions beyond 3/4 Nyquist frequency. J.STRUCT.BIOL. 177 589 601 2012 22285189 doi:10.1016/j.jsb.2012.01.008 Bacteriophage P22 procapsid Bacteriophage P22 procapsid 1 Enterobacteria phage P22 Enterobacteria phage P22 Salmonella BACTERIA(EUBACTERIA) Procapsid 525 7 VIRION STRAIN false true P22 singleParticle particle 1 7.6
50 mM Tris pH 7.6, 25 mM NaCl, 2mM EDTA
400 mesh copper grid
 ETHANE 95 170 OTHER
Vitrification instrument: Vitrobot
Blot for 2 seconds before plunging JEOL 2010F FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.0 2.0 5.0 15000.0 17200.0 GATAN LIQUID NITROGEN 100 100 100 objective lens astigmatism was corrected at 100,000 times magnification 2010-06-10 DIRECT ELECTRON DE-12 (4k x 3k) 6 200 17
Images were collected on a CMOS type detector DE-12 from Direct Electron
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Each Micrograph
 OTHER 8.5 FSC 0.5 CUT-OFF MPSA
Resolution was calculated to be 8.5 Angstroms at 0.5 FSC and 7.3 Angstroms at 0.143 FSC as compared against the 3.8 Angstrom reconstruction of P22.
7500 emd_5375.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 384 384 384 -128 -128 -128 384 384 384 1336.3201 1336.3201 1336.3201 90.0 90.0 90.0 X Y Z -0.99926412 1.86862397 0.0 0.18091138 3.48 3.48 3.48 0.8 AUTHOR Icosahedral reconstruction of bacteriophage P22
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