Predicted to enable phosphatidylinositol binding activity. Predicted to be involved in regulation of apoptotic process. Predicted to act upstream of or within T cell differentiation and cell surface receptor signaling pathway. Predicted to be located in endoplasmic reticulum and mitochondrion. Human ortholog(s) of this gene implicated in essential tremor 2. Orthologous to human HS1BP3 (HCLS1 binding protein 3). [provided by Alliance of Genome Resources, Apr 2022]