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. Author manuscript; available in PMC: 2018 Jul 9.
Published in final edited form as: Annu Rev Cell Dev Biol. 2017 Oct 6;33:467–489. doi: 10.1146/annurev-cellbio-111315-125036

Figure 4.

Figure 4

Mallostery, or a reversible, ligand-mediated misfolding model for sterol-sensing domain (SSD) proteins, in which the SSD motif imparts the ability to undergo reversible misfolding. We posit that the SSD protein functions as a multimer and effects a variant of allosteric regulation, allowing for ligand-mediated misfolding as a regulatory tactic.