An amphipathic alpha-helix from the replication protein 1a of brome mosaic virus (BMV) targets a fluorescent protein to the Endoplasmic Reticulum (ER) membranes (pointed by an arrow), in the tobacco Nicotiana benthamiana cells. These membranes are the place where BMV 1a protein targets to form viral replication complexes. The helix is functionally conserved among several members of a superfamily including viruses that infect humans, animals, and plants.
Image Credit: Wenhao Zhao, School of Plant and Environmental Sciences, Virginia Tech
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Formal Comment
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