REL PDBj RCSB PDBj 2013-03-20 2013-05-08 2013-05-15 2013-08-28 Structural dynamics and inter-ring communication of the MecA-ClpC protease complex during active substrate unfolding and translocation revealed by cryo-EM Liu J Mei Z Li N Qi Y Xu Y Shi Y Wang F Lei J Gao N unfolding, ATPase Liu J Mei Z Li N Qi Y Xu Y Shi Y Wang F Lei J Gao N Structural dynamics of the MecA-ClpC complex: a type II AAA+ protein unfolding machine. J.BIOL.CHEM. 288 17597 17608 2013 23595989 doi:10.1074/jbc.M113.458752 3j3r FULLOVERLAP MecA-ClpC(E280A,E618A)with ADP MecA-ClpC(E280A,E618A)with ADP
Mutant was generated by introducing double Walker B mutations: E280A and E618A. The mutant ClpC can bind ATP but not be able to hydrolyze ATP.
Hexamer of ClpC with 6 bound MecA 2 0.6 0.6 MecA Bacillus subtilis 168 6 true Escherichia coli BL21 PET-27A P37958 ClpC Bacillus subtilis 168 6 Hexamer true Escherichia coli BL21 PET-27A P37571 singleParticle particle 0.03 7.5
50mM kCl, 10mM Tris-HCL,2mM MgCl2, 2mM ADP
 ETHANE 100 90 FEI VITROBOT MARK IV Blot for 2 seconds before plunging FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 1.5 4.0 59000.0 FEI TITAN KRIOS AUTOGRID HOLDER 2010-09-09 FEI EAGLE (4k x 4k) 573 20
each defocus group on 3D level
 OTHER 9.4 FSC 0.5 CUT-OFF SPIDER 26037 emd_5610.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 150 150 150 -75 -75 -75 150 150 150 225.0 225.0 225.0 90.0 90.0 90.0 X Y Z -2.260746 5.24730682 0.0 1.0 1.5 1.5 1.5 1.5 AUTHOR Reconstruction of MecA-ClpC(E280A,E618A) with ADP,MM-ADP
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 3PXI FLEXIBLE FIT MDFF
Protocol: Initial local fitting was done using Chimera and then MDFF was used for flexible fitting. ref: Trabuco, L.G., Villa, E., Mitra, K., Frank, J. and Schulten, K. (2008) Flexible fitting of atomic structures into electron microscopy maps using molecular dynamics.
Cross-correlation REAL