Fig. 4
From: A unified evolutionary origin for the ubiquitous protein transporters SecY and YidC
Correspondence between structural elements of SecY and the Oxa1 superfamily. Consensus elements and the intervening element h4h5 are coloured according to the key shown. Other intervening elements are coloured to match a neighbouring consensus element, and flanking elements are coloured white. a The models are, from left to right and then top to bottom, Canis lupus familiaris SEC61A1 (6fti), Homo sapiens TMCO1 (6w6l), H. sapiens EMC3 (6ww7), H. sapiens GET1 (6so5), M. jannaschii SecY (1rhz), M. jannaschii MJ0480 (predicted, see Additional file 2: Figure S4), G. thermodenitrificans SecY (6itc), and Bacillus halodurans YidC2 (3wo6). b Topology diagrams. c Axial views of archaeal SecY N and prokaryotic YidC (models as in a)