Component of the sarcomere that tethers together nebulin (skeletal muscle) and nebulette (cardiac muscle) to alpha-actinin, at the Z lines.
Subcellular locations: Cytoplasm, Nucleus, Cytoplasm, Myofibril, Sarcomere, Cytoplasm, Myofibril, Sarcomere, Z line
Bound to sarcomere both at the Z-line periphery and in the central I-band region.
Expressed in adult skeletal muscle and fetal heart.