Required for efficient formation of myofibers in regenerating muscle at the level of cell fusion. May be involved in growth regulation in hematopoietic cells (By similarity).
Subcellular locations: Cell membrane, Cell junction, Membrane
Concentrates in localized microdomains along the plasma membrane at the contact sites between cells of fused myotubes.
B-cells, monocytes, macrophages, neutrophils, single (CD4 or CD8) positive thymocytes and peripheral T-cells.