Predicted to enable calcium ion binding activity; lipid binding activity; and purine ribonucleoside triphosphate binding activity. Involved in cilium assembly; positive regulation of voltage-gated calcium channel activity; and regulation of heart contraction. Acts upstream of or within protein localization to plasma membrane and regulation of cardiac muscle cell membrane potential. Located in endocytic vesicle and perinuclear region of cytoplasm. Is expressed in several structures, including adrenal gland; central nervous system; ganglia; otic capsule; and turbinate bone primordium. Orthologous to human EHD3 (EH domain containing 3). [provided by Alliance of Genome Resources, Apr 2022]