Structure and Function of the ER-Membrane Complex
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The ER-Membrane Complex (EMC) is a highly conserved heterodecameric membrane protein complex, found in the Endoplasmic Reticulum (ER) membrane. The EMC has been implicated in a wide range of processes including viral reproduction, inter-organelle phospholipid transfer, cholesterol biosynthesis and the biogenesis of multi-pass membrane proteins. Although the complex was formally identified nearly 10 years ago, direct biochemical evidence for functional roles is sparse. Only in the last two years have mechanistic roles been characterised in the insertion of tail-anchored proteins and in defining the topology of the first transmembrane helix in GPCRs. In this thesis I investigate the role of the EMC in the biogenesis of misfolded ABC transporters Yor1