REL PDBe PDBe PDBe 2013-09-23 2013-11-13 2013-11-20 2016-03-02 Li Y Lu S Tsai CJ Bohm C Qamar S Dodd RB Meadows W Jeon A McLeod A Chen F Arimon M Berezovska O Hyman BT Tomita T Iwatsubod T Johnsof CM Farrer L Schmitt-Ulms G Fraser P St George-Hyslop P Li Y Lu SH Tsai CJ Bohm C Qamar S Dodd RB Meadows W Jeon A McLeod A Chen F Arimon M Berezovska O Hyman BT Tomita T Iwatsubo T Johnson CM Farrer LA Schmitt-Ulms G Fraser PE St George-Hyslop PH STRUCTURE 22 125 135 2014 24210759 doi:10.1016/j.str.2013.09.018 Compound E-bound human Presenilin 1 (PS1) complex Compound E-bound human Presenilin 1 (PS1) complex

The sample was monodisperse

1:1:1:1 5 0.2 Presenilin-1 Homo sapiens Human

N-terminus as tagged with TAP tag composed of Protein G and Streptavidin binding peptide tags separated by tobacco etch virus protease cleavage site

1 true Homo sapiens HEK293 P49768 Nicastrin Homo sapiens Human HEK293 1 false Q92542 Gamma-secretase subunit APH-1A Homo sapiens Human HEK293 1 false Q96BI3 Gamma-secretase subunit PEN-2 Homo sapiens Human HEK293 1 false Q9NZ42 E ((S,S)- 2-[2-(3,5-Difluorophenyl)-acetylamino]-N-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)-propionamide) synthetic construct 1 false singleParticle particle 0.02 7.4

50 mM Tris-HCl, 150 mM NaCl, 2 mM EDTA, 5 mM MgCl2, 5 mM CaCl2

NEGATIVE

Grids with adsorbed protein floated on 1% w/v uranyl acetate for 2-10 seconds

Carbon-coated 400-mesh copper grids were glow discharged in air at 600-700 V for 30-60 seconds on an Edward S150B sputter coater.

NONE OTHER FEI TECNAI 12 FLOOD BEAM BRIGHT FIELD TUNGSTEN HAIRPIN 120 2 1.0 OTHER 2009-09-19 TVIPS TEMCAM-F224 (2k x 2k) 300

The particles were selected using EMAN2

C1 OTHER 17.4 OTHER EMAN2, RELION 10651