Predicted to enable GTP binding activity. Predicted to be involved in endocytosis and endosomal transport. Predicted to act upstream of or within response to muscle activity involved in regulation of muscle adaptation and store-operated calcium entry. Predicted to be located in membrane. Predicted to be active in cytoplasm; intracellular membrane-bounded organelle; and plasma membrane. Orthologous to human SRL (sarcalumenin). [provided by Alliance of Genome Resources, Apr 2022]