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. 2023 Dec 1;10:853. doi: 10.1038/s41597-023-02778-9

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© The Author(s) 2023

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Fig. 1 — Stable and transient biological complexes. Bacterial ribosomes (PDB:5WDT) and the human nucleosome (PDB:5AY8) are examples of stable macromolecular machines (panel a). The clathrin adaptor AP-2 complex (PDB:6OWT) and the calpain-calpastatin complex (PDB:3BOW) are examples of transient complexes (panel b).