Predicted to enable lipid binding activity. Predicted to be involved in several processes, including mitochondrial calcium ion homeostasis; mitochondrion-endoplasmic reticulum membrane tethering; and regulation of cell morphogenesis. Predicted to be located in endoplasmic reticulum membrane. Predicted to be active in mitochondria-associated endoplasmic reticulum membrane. Orthologous to human PDZD8 (PDZ domain containing 8). [provided by Alliance of Genome Resources, Apr 2022]