Automated description from the Alliance of Genome Resources (Release 7.1.0)
Enables transmembrane transporter binding activity. Involved in positive regulation of protein localization to plasma membrane. Acts upstream of or within cellular response to heat and muscle contraction. Located in T-tubule and cytoplasmic side of plasma membrane. Is expressed in lens. Orthologous to human STAC (SH3 and cysteine rich domain).