REL PDBj RCSB PDBj 2015-03-15 2015-05-06 2016-03-23 2016-06-29 The cryo-EM structure of Meiothermus taiwanensis Lon protease with ATP and Mg2+ Su SC Chang YC Chang CI ATP-dependent proteases Su SC LIN CC Tai HC Chang MY Ho MR Babu CS Liao JH Wu SH Chang YC Lim C Chang CI Structural Basis for the Magnesium-Dependent Activation and Hexamerization of the Lon AAA+ Protease STRUCTURE 24 676 686 2016 27041593 doi:10.1016/j.str.2016.03.003 EMD-6303 FULLOVERLAP Meiothermus taiwanensis LonA protease Meiothermus taiwanensis LonA protease One homotetramer of MtaLonA in closed form 1 0.54 0.54 Sedimentation Meiothermus taiwanensis LonA protease Meiothermus taiwanensis Meiothermus taiwanensis LonA protease 0.54 0.54 Hexamer true Escherichia coli pET21a singleParticle particle 0.12 8.0
20mM Tris-HCl, 100mM NaCl, 1mM DTT, 10mM MgCl2, 2.5mM ATP
 NEGATIVE
Grids with adsorbed protein floated on 1% w/v uranyl acetate for 60 seconds.
200 mesh gold grid with thin carbon support, glow discharged in amylamine atmosphere
 ETHANE 100 FEI VITROBOT MARK IV 1. wait for 10 seconds before blot 2. Blot for 3 seconds before plunging FEI TECNAI F20 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2 1.45 3.7 62000.0 85600.0 GATAN LIQUID NITROGEN Objective lens astigmatism was corrected at 100,000 times magnification 2014-03-03 GATAN ULTRASCAN 4000 (4k x 4k) 220 20
The particle images were interactively selected using EMAN Boxer program
Each particle
 11.8 OTHER EMAN2 30249 80 emd_6305.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 128 128 128 -64 -64 -64 128 128 128 320.0 320.0 320.0 90.0 90.0 90.0 X Y Z -1.42064238 4.19262695 0.14911929 0.58456016 2.5 2.5 2.5 0.225 AUTHOR Reconstruction of Meiothermus taiwanensis LonA protease with Mg2+ and ATP
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emd_6305.tiff