Enables identical protein binding activity. Involved in several processes, including chloride transmembrane transport; cochlea development; and response to ischemia. Located in basolateral plasma membrane; cytoplasm; and lateral plasma membrane. Biomarker of hypothyroidism. Human ortholog(s) of this gene implicated in autosomal recessive nonsyndromic deafness 61. Orthologous to human SLC26A5 (solute carrier family 26 member 5). [provided by Alliance of Genome Resources, Apr 2022]