REL RCSB RCSB RCSB 2015-06-15 2015-08-12 2015-08-12 2015-08-26 Cryo-EM structure of GTPgammaS-microtubule co-polymerized with EB3 (merged dataset with and without kinesin bound) Zhang R Alushin GM Brown A Nogales E microtubule, EB3, GTPgammaS, kinesin Zhang R Alushin GM Brown A Nogales E Mechanistic Origin of Microtubule Dynamic Instability and Its Modulation by EB Proteins CELL(CAMBRIDGE,MASS.) 162 849 859 2015 26234155 doi:10.1016/j.cell.2015.07.012 3jak FULLOVERLAP EB3- and kinesin-bound GTPgammaS microtubule EB3- and kinesin-bound GTPgammaS microtubule
GTPgammaS microtubules were polymerized on the EM grid in the presence of GMPCPP-MT seeds and excess EB3, then washed with kinesin.
helical assembly 4 Alpha tubulin Sus scrofa Porcine Brain Cytoplasm Cytoskeleton 0.055
Porcine tubulin powder was purchased from Cytoskeleton Inc.
Helical assembly false Q2XVP4 Beta tubulin Sus scrofa Porcine Brain Cytoplasm Cytoskeleton 0.055
Porcine tubulin powder was purchased from Cytoskeleton Inc.
Helical assembly false P02554 EB3 Homo sapiens Human Cytoplasm Cytoskeleton 0.023
A monomeric construct containing residues 1-200, which lacks the C-terminal dimerization domain
Dimer true Escherichia coli BL21-CodonPlus-(DE3)-RIL 2BT Q9UPY8 kinesin Homo sapiens Human Cytoplasm Cytoskeleton 0.036
Human monomeric kinesin K349 cys-lite described in: Rice, S., Lin, A.W., Safer, D., Hart, C.L., Naber, N., Carragher, B.O., Cain, S.M., Pechatnikova, E., Wilson-Kubalek, E.M., Whittaker, M., et al. (1999). A structural change in the kinesin motor protein that drives motility. Nature 402, 778-784.
monomer true Escherichia coli BL21 helical helicalArray 1.5 6.8
80 mM PIPES, 1 mM EGTA, 1 mM MgCl2, 1 mM DTT, 0.05% Nonidet P-40
400 mesh C-flat 1.2/1.3 EM grid, glow discharged in Ar/O2 gas (Solarus, Gatan Inc)
 ETHANE 95 90.4 FEI VITROBOT MARK II Blot once for 4 seconds before plunging. FEI TITAN FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 1.0 3.5 27500.0 27500.0 GATAN LIQUID NITROGEN 90 Objective lens astigmatism was corrected at 27,500 times magnification.
The camera was operated in counting mode, with a dose rate of ~8 electrons/pixel/s on the camera. A total exposure time of 6 s was fractionated into 20 movie frames.
2013-05-16 GATAN K2 (4k x 4k) 345 27.6
The camera was operated in counting mode, with a dose rate of ~8 electrons/pixel/s on the camera. A total exposure time of 6 s was fractionated into 20 movie frames.
 Gatan 626 holder
IHRSR algorithm with microtubule-specific pseudo-helical symmetry applied
9.45 27.72 C1 OTHER 3.3 OTHER EMAN1, FREALIGN
Pseudo-helical symmetry was applied during the reconstruction step.
CTFFIND4, each particle
 emd_6349.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 512 512 512 0 0 0 512 512 512 675.84 675.84 675.84 90.0 90.0 90.0 X Y Z -12.63850403 22.671958920000002 0.02841561 0.91838473 1.32 1.32 1.32 4.0 AUTHOR Reconstruction of GTPgammaS-microtubule co-polymerized with EB3 (merged dataset with and without kinesin bound)
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