Automated description from the Alliance of Genome Resources (Release 5.2.2)
Enables calcium:proton antiporter activity. Involved in calcium export from the mitochondrion; mitochondrial calcium ion homeostasis; and protein complex oligomerization. Located in mitochondrial inner membrane. Is expressed in gonad and seminiferous cord. Orthologous to human LETM1 (leucine zipper and EF-hand containing transmembrane protein 1).