REL PDBe PDBe PDBe 2005-08-16 2005-08-17 2006-02-03 2011-05-26 Electron cryotomography of the E. coli pyruvate and 2-oxoglutarate dehydrogenase complexes. Murphy GE Jensen GJ Murphy GE Jensen GJ Electron cryotomography of the E. coli pyruvate and 2-oxoglutarate dehydrogenase complexes. STRUCTURE 13 1765 1773 2005 16338405 doi:10.1016/j.str.2005.08.016 Unengineered E. coli 2-oxoglutarate dehydrogenase Unengineered E. coli 2-oxoglutarate dehydrogenase
The sample was thawed from storage at -80 degrees Celcius before being loaded onto the grid.
Up to 24 E1o 2-oxoglutarate dehydrogenase and E3 dihydrolipoamide dehydrogenase dimers together bind to the 24 dihydrolipoamide succinate transferase E2o octahedral core. 3 5.2 E2o octahedral core Escherichia coli E. coli cytoplasm 0.044 24 24mer true Escherichia coli IPR006255 E1o Escherichia coli E. coli cytoplasm 0.2 Dimer true Escherichia coli IPR011603 E3 Escherichia coli E. coli cytoplasm 0.1 Dimer true Escherichia coli IPR006258 subtomogramAveraging 2 7.0
20 mM Potassium Phosphate
R 1.5/1.3 Quantifoil
 ETHANE 100 OTHER
Vitrification instrument: Vitrobot. 4 ul of sample placed on grid at 22 C in air before plunging.
Blot for 3.5 seconds with an offset of -3 before plunging. FEI TECNAI F30 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2 10.0 10.0 27500.0 36600.0 GATAN HELIUM 82 82 82 0 GIF 3000 0.0 20.0 2004-09-07 GATAN ULTRASCAN 1000 (2k x 2k) 120 FEI Polara -63 63
Dual-axis tilt series, with 44 sections on one axis, and 44 on the other. Average number of tilts used in the 3D reconstructions: 88. Average tomographic tilt angle increment: 3.
OTHER 55.0 FSC 0.5 CUT-OFF IMOD
The individual, orthogonal tomograms were filtered at their first CTF zero and then merged.
 emd_1152.map.gz 1 IMAGE STORED AS SIGNED INTEGER (2 BYTES) 80 80 80 -40 -40 -40 80 80 80 656 656 656 90 90 90 X Y Z -43.0 57.0 0.136924 6.96287 8.2 8.2 8.2 12.0 Volume of an extracted E. coli 2-oxoglutarate multienzyme complex particle from a dual-tilt tomogram.
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 1E2O
The octameric E2o core (1E2O) was fit into the core density using bfind from the Bsoft package.