REL PDBe PDBe PDBe 2015-04-28 2015-06-17 2015-07-15 2015-07-22 The structure of the COPI coat linkage III Dodonova SO Diestelkoetter-Bachert P von Appen A Hagen WJH Beck R Beck M Wieland F Briggs JAG COPI, coatomer, coated vesicles Dodonova SO Diestelkoetter-Bachert P von Appen A Hagen WJH Beck R Beck M Wieland F Briggs JAG A structure of the COPI coat and the role of coat proteins in membrane vesicle assembly SCIENCE 349 195 198 2015 26160949 doi:10.1126/SCIENCE.AAB1121 5a1x FULLOVERLAP COPI coat linkage III on the membrane COPI coat linkage III on the membrane
The COPI coated vesicles were formed in an in vitro reconstituted budding reaction, which was plunge-frozen without further purification.
2 Coat protein 1 Mus musculus Mouse Golgi, cytoplasm 0.560 true Spodoptera frugiperda Sf9 pFBDM IPR016391 IPR016453 IPR006822 IPR016460 IPR027059 IPR017106 IPR022775 ADP-ribosylation factor 1 Saccharomyces cerevisiae Yeast Golgi 0.020 true Escherichia coli BL21(DE3) pOW12 P11076 IPR024156 subtomogramAveraging particle 7.4
50 mM HEPES, 50 mM KAc, 1mM MgCl2
C-Flat Multihole 3C-50 grids glow discharged
 ETHANE 85 HOMEMADE PLUNGER The grids were glow discharged for 1 min at 20 mA. 5 ul of 10 nm fiducial gold was added to 40 ul of reaction mix. The reaction mix with the in vitro formed coated vesicles was applied to a grid. The grid was blotted for 12 seconds at room temperature before plunging FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.7 1.5 4.0 42000.0 FEI TITAN KRIOS AUTOGRID HOLDER 89 91 90 GATAN GIF 2002 0.0 20.0 2014-02-07 GATAN MULTISCAN 45 -45 60
Reconstruction was performed using subtomogram averaging. Subtomogram averaging was carried out using scripts from the TOM (Nickell et al, 2005) and AV3 (Foerster et al, 2005) packages. Subtomograms were extracted from the surface of the vesicles.
C2 OTHER 23.0 OTHER TOM, AV3
The reconstructions were carried out for two independent datasets. Two final maps were used to estimate resolution and were averaged together to provide the final map.
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phase flipping of individual tilts
 1 emd_2988.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 200 200 200 -100 -100 -100 200 200 200 403.80002 403.80002 403.80002 90.0 90.0 90.0 X Y Z -5.96164942 7.21013403 0.02633169 0.89845425 2.019 2.019 2.019 1.5 AUTHOR Reconstruction of the COPI coat linkage III
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