Predicted to enable sodium:bicarbonate symporter activity. Acts upstream of or within cochlear nucleus development; sensory organ development; and visual perception. Located in apical plasma membrane; basolateral plasma membrane; and cytoplasm. Is expressed in brain; metanephros; pancreas; and spiral ligament. Used to study Usher syndrome type 2C. Orthologous to human SLC4A7 (solute carrier family 4 member 7). [provided by Alliance of Genome Resources, Apr 2022]