REL RCSB RCSB RCSB 2008-06-29 2008-07-03 2009-05-05 2011-08-02 Molecular Structure of the Native HIV-1 gp120 trimer bound to b12: Membrane region Bartesaghi A Borgnia M Liu J Sapiro G Subramaniam S HIV-1, envelope glycoprotein. immunodeficiency virus, gp120 Liu J Bartesaghi A Borgnia MJ Sapiro G Subramaniam S Molecular architecture of native HIV-1 gp120 trimers. NATURE 455 109 113 2008 18668044 doi:10.1038/nature07159 3dnl FULLOVERLAP HIV-1 BaL virus HIV-1 BaL virus
Structures determined by cryo-electron tomography combined with 3D averaging
1 envelope glycoprotein envelope glycoprotein Homo sapiens VERTEBRATES VIRION STRAIN true false envelope glycoprotein subtomogramAveraging 7.2
0.01 M Tris, 0.1 M NaCl, 1 mM EDTA
home-made holey carbon
 ETHANE 100 77 OTHER
Vitrification instrument: Vitrobot
Blot and plunge FEI POLARA 300 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.2 2.0 4.0 34000.0 GATAN LIQUID NITROGEN 77 Gatan 0.0 20.0 GENERIC CCD 80 Cartridge -70 70
Average number of tilts used in the 3D reconstructions: 400. Average tomographic tilt angle increment: 1.
20.0 FSC 0.5 CUT-OFF IMOD and in-house procedures emd_5021.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 100 100 100 0 0 0 100 100 100 410 410 410 90 90 90 X Y Z -0.671275 0.648455 -0.000154365 0.0434309 4.1 4.1 4.1 0.0432 AUTHOR b12-bound HIV-1 BaL membrane
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 1GC1 Chimera
Automated fitting procedures
correlation coefficient REAL