REL PDBe PDBe PDBe 2012-08-24 2012-09-05 2012-10-03 2012-11-28 Nunez Ramirez R Sanchez Barrena MJ Villalta I Vega JF Pardo JM Quintero FJ Martinez Salazar J Albert A membrane protein, plant salt tolerance, protein structure Nunez-Ramirez R Sanchez-Barrena MJ Villalta I Vega JF Pardo JM Quintero FJ Martinez-Salazar J Albert A J.MOL.BIOL. 424 283 294 2012 23022605 doi:10.1016/j.jmb.2012.09.015 Antiporter SOS1 Antiporter SOS1

This sample is a membrane protein and is purified with lipids and detergents surrounding the membrane domain

Dimer 1 0.36 0.254 Gel filtration, Electron microscopy image analysis, Dynamic light scattering Na+/H+ antiporter SOS1 Arabidopsis thaliana Thale Cress Plasma membrane 0.127 2 Dimer true Saccharomyces cerevisiae pYGE15 singleParticle particle 8.5

50 mM phosphate buffer pH 8.5, 300 mM NaCl, 10% glycerol, 0.05% DDM, 250 mM imidazole

NEGATIVE

Purified SOS1 was adsorbed to glow-discharged carbon coated grids and stained with 2% uranyl formate

400 mesh carbon coated copper grid, glow discharged in moderate vacuum

NONE OTHER JEOL 2100 FLOOD BEAM BRIGHT FIELD LAB6 200 1.0 1.0 2.5 20000.0 20000.0 JEOL Objective lens astigmatism was corrected at 120.000-150.000 times magnification and confirmed by inspection of the Fourier transform 2010-11-01 GATAN ORIUS SC200 (2k x 2k) 90 15 14. 0 0

Single images of SOS1 were manually extracted using EMAN. 2D reference-free classification, 2D averaging, 3D classification and reconstruction were performed using maximum-likelihood methods implemented in XMIPP package.

Each micrograph. Estimation using CTFFIND3 and correction using Bsoft

C2 OTHER 25.9 FSC 0.5 CUT-OFF XMIPP 5600 96

emd_2181.tif