Automated description from the Alliance of Genome Resources (Release 7.0.0)
Enables DNA-binding transcription factor binding activity. Involved in negative regulation of cardiac muscle contraction; positive regulation of insulin secretion involved in cellular response to glucose stimulus; and positive regulation of release of sequestered calcium ion into cytosol. Acts upstream of or within calcium ion transport. Located in Z disc; plasma membrane; and vesicle. Orthologous to human SRI (sorcin).