Heimdall SNAREs reveal an ancestral architecture of eukaryotic SNARE complexes
SNARE proteins are central to eukaryotic cell biology, where they drive membrane fusion by assembling into four-helix bundles that bring opposing membranes into close proximity. Their ubiquitous role in intracellular membrane trafficking raises fundamental questions about their evolutionary origin and the emergence of eukaryotic cellular complexity. Here, we characterize SNARE-like proteins from…
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