REL PDBe PDBe PDBe 2008-06-20 2008-06-23 2009-04-02 2012-10-24 Single particle reconstruction of Methanothermobacter thermautotrophicus MCM protein bound to a 5,600bp dsDNA fragment. Costa A van Duinen G Medagli B Chong J Sakakibara N Kelman Z Nair SK Patwardhan A Onesti S helicase,AAA+ ATPase, DNA replication Costa A van Duinen G Medagli B Chong J Sakakibara N Kelman Z Nair SK Patwardhan A Onesti S Cryo-electron microscopy reveals a novel DNA-binding site on the MCM helicase. EMBO J. 27 2250 2258 2008 18650940 doi:10.1038/emboj.2008.135 Methanothermobacter thermautotrophicus MCM protein bound to a 5,600 bp dsDNA fragment Methanothermobacter thermautotrophicus MCM protein bound to a 5,600 bp dsDNA fragment One homohexamer of MCM binds to one dsDNA fragment 2 DNA synthetic construct DNA DOUBLE HELIX false Mini-chromosome Maintenance complex Methanothermobacter thermautotrophicus str. Delta H Delta H 0.45 6 Hexamer true Escherichia coli singleParticle particle 0.012 7.5
30mM Tris HCl pH 7.5, 50 mM NaCl, 5mM MgCl2, 5 mM beta-mercaptoethanol
Quantifoil R 1.2/1.3
 ETHANE 100 4.5 OTHER
Vitrification instrument: FEI Vitrobot plunger
Blot for 2.5 seconds at an offset of -1 before plunging FEI/PHILIPS CM200FEG SPOT SCAN BRIGHT FIELD FIELD EMISSION GUN 200 0.7 2.5 50000.0 GATAN LIQUID NITROGEN OTHER 6.5 22 17 Side entry liquid nitrogen-cooled cryo specimen holder.
Particles were selected automatically using Boxer on defocal pair images
Each particle
 C1 OTHER 19.0 OTHER IMAGIC-5 10010
beta 0 degrees, gamma 90 degrees
 800 emd_1526.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 95 95 95 -46 -47 -47 95 95 95 332.8 332.8 332.8 90 90 90 X Y Z -0.721348 0.569189 0.00198268 0.0751419 2.6 2.6 2.6 0.135 This is an electron density map of the MthMCM helicase treated with a 5,600 bp dsDNA fragment.
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