REL PDBe PDBe PDBe 2007-04-18 2007-10-04 2008-01-09 2011-05-26 The subnanometer resolution structure of the glutamate synthase 1.2-MDa hexamer by cryoelectron microscopy and its oligomerization behavior in solution: functional implications. Cottevieille M Larquet E Jonic S Petoukhov MV Caprini G Paravisi S Svergun DI Vanoni MA Boisset N Cottevieille M Larquet E Jonic S Petoukhov MV Caprini G Paravisi S Svergun DI Vanoni MA Boisset N The subnanometer resolution structure of the glutamate synthase 1.2-MDa hexamer by cryoelectron microscopy and its oligomerization behavior in solution: functional implications. J.BIOL.CHEM. 283 8237 8249 2008 18199747 doi:10.1074/jbc.M708529200 2vdc FULLOVERLAP Azospirillum brasilense NADPH-GltS Azospirillum brasilense NADPH-GltS Glutamate synthase is a heterohexamer 1 1.2 1.29 small-angle X-ray scattering NADPH-glutamate synthase Azospirillum brasilense Sp7 cytoplasm 1.29 1.2
Additional InterPro entries: IPR006982 Glutamate synthase, central-N IPR012220 Glutamate synthase, eukaryotic IPR012061 Glutamate synthase, large subunit region 3, putative IPR012375 Glutamate synthase, large subunit region 1 amidotransferase, putative IPR002932 Glutamate synthase, central-C IPR002489 Glutamate synthase, alpha subunit, C-terminal IPR014666 Ferredoxin-dependent glutamate synthase IPR012075 Glutamate synthase, large subunit region 1 and 3, putative IPR006006 Glutamate synthase, NADH/NADPH, small subunit 2 IPR006005 Glutamate synthase, NADH/NADPH, small subunit 1
6 (alpha)6 (beta)6 true Escherichia coli pET11a GO:0004355 IPR006982 singleParticle particle 9.25 7.5
25 mM Hepes/KOH, 1 mM EDTA, 1 mM DTT
 NEGATIVE
CRYOEM : 4 microL were applied on a 200 mesh copper grid, coated with a thin holey carbon film. After blotting the excess of solution with Whatman paper, the grid was rapidly plunged into liquid ethane
200 mesh copper grid, coated with a thin holey
 ETHANE HOMEMADE PLUNGER
Vitrification instrument: manual plunger
Manual single-sided blotting JEOL 2010UHR FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 0.5 1.7 3.2 50000.0 GATAN LIQUID NITROGEN 91.15 93.15 93.15
low-dose illumination
2005-05-10 KODAK SO-163 FILM OTHER 1.59 151 10
Scanner model : Nikon Coolscan 8000ED
8. Gatan 0 0
Particles were automatically selected using Roseman algorithm with SPIDER software
Wiener filtration of volumes from focal series
 D3 OTHER 9.5 FSC 0.5 CUT-OFF SPIDER 12800 emd_1440.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 192 192 192 -96 -96 -96 192 192 192 304.8 304.8 304.8 90 90 90 X Y Z -799.538000000000011 1332.420000000000073 5.0626 98.685500000000005 1.5875 1.5875 1.5875 125.0 This is the 3D map file of Azospirillum brasilense NADPH-GltS (glutamate synthase)
::::EMDATABANK.org::::EMD-1440::::
 RIGID BODY FIT Chimera
Protocol: Rigid Body. One alpha dimer (1EA0) and one beta model (homology modelling) were separately fitted by manual docking using Chimera software. D3 symmetry was used to reconstruct the whole complex.
REAL
emd_1440.tif
emd_1440_1.tif
emd_1440_fsc.xml