背景
similarity:Belongs to the small heat shock protein (HSP20) family.,subunit:Interacts with C-terminal domain of actin-binding protein 280.,tissue specificity:Isoform 1 is highly expressed in adult and fetal heart, skeletal muscle, and at a much lower levels in adipose tissue and in aorta. Undetectable in other tissues. Isoform 2 and isoform 3 are poorly detected in heart.,