Predicted to enable amyloid-beta binding activity. Predicted to be involved in negative regulation of amyloid precursor protein biosynthetic process. Predicted to act upstream of or within plasma cell differentiation. Predicted to be integral component of membrane. Predicted to be active in Golgi apparatus and plasma membrane. Orthologous to human ITM2A (integral membrane protein 2A). [provided by Alliance of Genome Resources, Apr 2022]