Biochemistry_guide on Instagram: "Vaults: One of Biology’s Biggest Mysteries! Discovered in 1986 by Leonard Rome and Nancy Kedersha, vaults are among the largest protein structures found in your cells—nearly 3× the size of a ribosome! These barrel-shaped nanostructures are built from 78 copies of the Major Vault Protein (MVP), forming a hollow shell. Inside, they hold a small amount of vault RNA (vRNA) and proteins like VPARP and TEP1. Here’s the twist: Vaults are everywhere—in nearly all animal