Subcellular Location
Nucleus. Cytoplasm. Cytoplasm, cytoskeleton. Cytoplasm, myofibril, sarcomere, Z line. Cytoplasm, myofibril, sarcomere.; [Isoform 2]: Cytoplasm, myofibril, sarcomere, Z line.
Tissue Specificity
Cardiac and slow-twitch skeletal muscles. Isoform 2 is expressed in striated muscle. Isoform 2 is specifically expressed at higher levels in patients with neuromuscular diseases, such as limb-girdle muscular dystrophy 2A (LGMD2A), Duchenne muscular dystro