"What’s in the Vault?
They’re called “vaults”. They‘re in our cells, and in those of every plant, animal, and fungus. Like ribosomes, they’re atomically precise self-assembled structures made of protein and RNA, but they’re big and hollow, large enough to pack many ribosomes inside. They’re relatively simple and symmetric: A vault consists of two identical halves, each consisting almost entirely of 39 identical copies of a single, large protein (see figure). The vault structure was recently determined to near-atomic resolution, revealing enough detail to show how the proteins fold and fit together. Looking forward, this information could help protein engineers develop methodologies for designing large self-assembling structures.
Vaults are unusual in many ways, but what I find most surprising about them is this:
To this day, no one knows what they do."
Me:-
Does anyone know what they did? Are they vestigial?
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