REL PDBe PDBe PDBe 2009-01-06 2009-01-07 2009-04-01 2012-10-24 Structure of the Manduca sexta V-ATPase by cryo-electron microscopy Muench SP Huss M Phillips C Song CF Wieczorek H Trinick J Harrison MA H-ATPase,V-ATPase,cryo-electron microscopy, vacuolar membrane Muench SP Huss M Song CF Phillips C Wieczorek H Trinick J Harrison MA Cryo-electron microscopy of the vacuolar ATPase motor reveals its mechanical and regulatory complexity. J.MOL.BIOL. 386 989 999 2009 19244615 doi:10.1016/j.jmb.2009.01.014 Manduca sexta vacuolar ATPase complex Manduca sexta vacuolar ATPase complex
The sample was monodisperse
monomer 1 0.9 0.9 membrane proton pump monomer false Manduca sexta tobacco hornworm midgut singleParticle particle 2.0 8.1
150 mM NaCl, 9.6 mM B mercaptoethanol, 20 mM TrisHCl. Solubilised in C12E10 detergent
300 mesh Cu Lacey grid
 ETHANE 22 HOMEMADE PLUNGER
Vitrification instrument: Computer controlled blotting device
A small vial of ethane was placed inside a larger liquid nitrogen reservoir. 3ul of protein sample was then applied to a lacey grid which had been glow discharged for 30 seconds prior to use. The grid was then blotted (1.6 seconds) and quickly frozen in liquid ethane using a computer operated device as described in White et al., 2003, J. Struct, Biol 144 246-252 FEI TECNAI F20 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.0 1.5 4.5 50000.0 69000.0 GATAN LIQUID NITROGEN 22 astigmatism corrected at 100,000 magnification 2007-11-10 GENERIC GATAN (4k x 4k) 15.0 320 15 Gatan side entry cryo holder 0 0
Particles were picked using BOXER
phase flipping each particle
 C1 OTHER 17.0 FSC 0.5 CUT-OFF Imagic Eman 11742 emd_1590.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 100 100 100 -49 -50 -50 100 100 100 436 436 436 90 90 90 X Y Z -0.0450027 0.53537 0.00011227 0.0319842 4.36 4.36 4.36 0.05 Manduca sexta vacuolar ATPase
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