Predicted to be involved in regulation of synaptic plasticity. Predicted to act upstream of or within several processes, including learning; neuromuscular process controlling balance; and regulation of store-operated calcium entry. Predicted to be located in dendritic shaft and smooth endoplasmic reticulum. Predicted to be part of junctional membrane complex. Predicted to be active in endoplasmic reticulum membrane and plasma membrane. Orthologous to human JPH4 (junctophilin 4). [provided by Alliance of Genome Resources, Apr 2022]