Together with KRT19, helps to link the contractile apparatus to dystrophin at the costameres of striated muscle.
Subcellular locations: Cytoplasm, Nucleus, Nucleoplasm, Nucleus matrix
Observed in muscle fibers accumulating in the costameres of myoplasm at the sarcolemma membrane in structures that contain dystrophin and spectrin. Expressed in gingival mucosa and hard palate of the oral cavity.