Structural roles for human translation factor eIF3 in initiation of protein synthesis.

REL PDBe PDBe PDBe 2005-10-19 2005-10-19 2006-10-19 2011-05-26 Structural roles for human translation factor eIF3 in initiation of protein synthesis. Siridechadilok B Fraser CS Hall RJ Doudna JA Nogales E Siridechadilok B Fraser CS Hall RJ Doudna JA Nogales E Structural roles for human translation factor eIF3 in initiation of protein synthesis. SCIENCE 310 1513 1515 2005 16322461 doi:10.1126/science.1118977 Human eIF3 bound to HCV-IRES Human eIF3 bound to HCV-IRES 2 0.85 eIF3 Homo sapiens Human HeLa Cytoplasm cytosol 0.75 true HeLa Hepatitis-C-virus internal ribosomal entry site 0.1 OTHER OTHER false singleParticle particle 0.08 7.5

20mM Tris pH7.5, 100mM KCl, 3mM MgCl2, 1mM DTT,0.1mM CHAPS, 2% Trehalose

NEGATIVE

cryo

holey-carbon with thin layer of carbon

ETHANE 100 22 OTHER

Vitrification instrument: Vitrobot

FEI/PHILIPS CM200FEG FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.2 50000.0 50000.0 GATAN LIQUID NITROGEN KODAK SO-163 FILM OTHER 20 eucentric

Phase flip

C1 OTHER 40.0 FSC 0.5 CUT-OFF SPIDER, IMAGIC

This reconstruction is the refined model.

emd_1171.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 140 140 140 0 0 0 140 140 140 711.2 711.2 711.2 90 90 90 X Y Z -0.358039 0.88013 0.000106593 0.0210791 5.08 5.08 5.08 0.0529 Cryo-EM density of human translation initiation factor eIF3 bound to a conformation of HCV-IRES

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