Predicted to enable carbonate dehydratase activity. Acts upstream of or within morphogenesis of an epithelium and secretion. Predicted to be located in basolateral plasma membrane. Predicted to be active in plasma membrane. Is expressed in several structures, including central nervous system; early embryo; genitourinary system; gut; and heart. Human ortholog(s) of this gene implicated in hepatitis B and renal cell carcinoma. Orthologous to human CA9 (carbonic anhydrase 9). [provided by Alliance of Genome Resources, Apr 2022]