REL PDBe PDBe PDBe 2014-10-15 2014-10-22 2015-01-21 2016-02-17 Cryo-EM structure of gamma-TuSC oligomers in a closed conformation Kollman JM Greenberg CH Li S Moritz M Zelter A Fong K Fernandez J-J Sali A Kilmartin J Davis TN Agard DA Microtubule nucleation, gamma tubulin Kollman JM Greenberg CH Li S Moritz M Zelter A Fong KK Fernandez JJ Sali A Kilmartin J Davis TN Agard DA Ring closure activates yeast gamma-TuRC for species-specific microtubule nucleation NAT.STRUCT.MOL.BIOL. 22 132 137 2015 25599398 doi:10.1038/nsmb.2953 5flz FULLOVERLAP Recombinant yeast gamma-TuSC mutant S58C/G288C Recombinant yeast gamma-TuSC mutant S58C/G288C heteropentamer 4 gamma tubulin S58C/G288C Saccharomyces cerevisiae Baker's yeast spindle pole body 0.055
Cysteine residues were introduced at positions 58 and 288 to promote crosslinking of the helical complex.
2 true unidentified baculovirus P53378 GCP2 Saccharomyces cerevisiae Baker's yeast spindle pole body 0.097 1 true unidentified baculovirus P38863 GCP3 Saccharomyces cerevisiae Baker's yeast spindle pole body 0.098 1 true unidentified baculovirus P53540 Spc110 (1-220) Saccharomyces cerevisiae Baker's yeast spindle pole body 0.025
Residues 1-220 of Spc110 were expressed with an N-terminal GST tagged, which was cleaved off during purification.
2 dimer true unidentified baculovirus P32380 helical filament 2 7.6
40 mM Hepes PH 7.6, 100 mM KCl, 1 mM EGTA, 1mM MgCl2, 1 mM oxidized glutathione
400 mesh C-FLAT 2/2 grid
 ETHANE 90 FEI VITROBOT MARK I Blot for 2-5 seconds before plunging FEI TECNAI F20 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.12 0.8 2.0 94000.0 GATAN LIQUID NITROGEN Objective astigmatism corrected at 135,000 time magnifiaction 2011-05-25 TVIPS TEMCAM-F816 (8k x 8k) 364 20
IHRSR was carried out in SPIDER, using hsearch_lorentz to search for helical symmetry parameters in unsymmetrized maps.
22.2 54.3 C1 OTHER 6.9 OTHER SPIDER, hsearch_lorentz, EMAN1, ctffind
each micrograph
 emd_2799.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 212 212 212 -106 -106 -106 212 212 212 398.56 398.56 398.56 90.0 90.0 90.0 X Y Z -1.94397974 3.0450983 0.0 0.31405976 1.88 1.88 1.88 0.5 AUTHOR Reconstruction of yeast gamma-TuSC trapped in a closed state by disulfide crosslinks
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