Enables calcium ion binding activity. Predicted to be involved in several processes, including calcium ion transport; cellular calcium ion homeostasis; and regulation of striated muscle contraction. Predicted to act upstream of or within calcium ion transport. Located in sarcoplasmic reticulum membrane. Is expressed in several structures, including diaphragm; forelimb mesenchyme; hindlimb; musculature; and testis. Human ortholog(s) of this gene implicated in Brody myopathy. Orthologous to human ATP2A1 (ATPase sarcoplasmic/endoplasmic reticulum Ca2+ transporting 1). [provided by Alliance of Genome Resources, Apr 2022]