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 sarcoplasmic reticulum lumen and sarcoplasmic reticulum membrane. Predicted to be active in intracellular membrane-bounded organelle. [provided by Alliance of Genome Resources, Apr 2022]