REL RCSB RCSB RCSB 2012-09-01 2012-09-26 2012-10-03 2014-03-26 Reconstruction of the Ndc80 Bonsai 4D Mutant Decorated Microtubule on CCD for Difference Map Calculation Alushin GM Musinipally V Matson D Tooley J Stukenberg PT Nogales E microtubule, Ndc80, Hec1, kinetochore, mitosis Alushin GM Musinipally V Matson D Tooley J Stukenberg PT Nogales E Multimodal microtubule binding by the Ndc80 kinetochore complex. NAT.STRUCT.MOL.BIOL. 19 1161 1167 2012 23085714 doi:10.1038/nsmb.2411 Ndc80 bonsai 3D mutant complex bound to the microtubule Ndc80 bonsai 3D mutant complex bound to the microtubule
Ndc80 bonsai is a heterodimer of Ndc80-Spc25 and Nuf2-Spc24; tubulin is a heterodimer of alpha and beta tubulin
2 copies of the Ndc80 bonsai complex bind to each tubulin heterodimer 2 0.26 tubulin Bos taurus bovine brain cytoskeleton 0.11 1 heterodimer false Ndc80-Spc25 Chimera Homo sapiens human Nucleus Kinetochore 0.045
Chimera of Ndc80 residues 1-286 and Spc25 residues 118-224. The Ndc80 protein contains 4 phosphomimetic mutations: S44D, S55D, S62D, S69D.
1 heterodimer true Escherichia coli pGEX6p-2RBS Nuf2-Spc24 Chimera Homo sapiens Human Nucleus Kinetochore 0.029
Chimera of Nuf2 residues 1-169 and Spc24 residues 122-197
1 heterodimer true Escherichia coli pGEX6p-2RBS helical filament 0.25 6.8
80mM PIPES, 1mM MgCl2, 1mM EGTA, 1mM DTT, 0.05% Nonidet P-40, 20uM taxol
C-flat 1.2/1.3
 ETHANE 100 FEI VITROBOT MARK II 2 uL of 0.25 mg/mL MTs applied to grid for 1 minute, 4 uL of 0.7 mg/mL Ndc80 bonsai added, manually blot 1 minute, another 4 uL of Ndc80 applied for 1 minute, 2 uL removed with pipettor, blot for 2 seconds before plunging, 0 mm offset FEI TECNAI F20 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 120 2.2 0.8 2.7 80000.0 GATAN LIQUID NITROGEN objective lens astigmatism corrected at 100Kx mag 2011-10-06 GATAN ULTRASCAN 4000 (4k x 4k) 15 165 20 side-entry
The phase-flipped particles were aligned using IHRSR in EMAN2/SPARX.
8.91752 25.76959 OTHER 12.1 FSC 0.5 CUT-OFF EMAN2/SPARX
Particles were aligned using multi-model IHRSR protocol in EMAN2/SPARX with naked 13 and 14 protofilament microtubules as references. The deposited map is a segmented region for difference map calculation. No amplitude scaling was applied.
Phase-flipping each image
 emd_5491.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 70 70 70 0 0 0 70 70 70 191.8 191.8 191.8 90.0 90.0 90.0 X Y Z -6.24202204 6.52132034 0.16841602 1.83753586 2.74 2.74 2.74 1.32 AUTHOR Reconstruction of the 14 protofilament microtubule decorated with the Bonsai 3D mutant for difference map calculation
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