May play a role during myoblast fusion. Homodimer. Interacts with myosin (By similarity). Membrane-associated. Distributed in the transverse tubules and near the junctional sarcoplasmic reticulum. Detected along the Z- and M-lines in cardiomyocytes. Centrosome. Localizes to the centrosomes in a microtubule- dependent manner (By similarity). Incomplete sequence. Belongs to the SLMAP family.