endoplasmic reticulum-organelle membrane tether activity endoplasmic reticulum-vacuole tether activity https://github.com/geneontology/go-ontology/issues/31874 vacuole-ER tether activity 2026-04-21T00:26:25Z molecular_function dragon-ai-agent vacuole-endoplasmic reticulum tether activity The binding activity of a molecule that brings together an endoplasmic reticulum membrane and a vacuole membrane either via membrane lipid binding or by interacting with a membrane protein, to establish or maintain membrane contact sites. ER-vacuole tether activity GO:7770066