Predicted to enable hormone activity. Involved in response to calcium ion; response to estrogen; and response to vitamin A. Predicted to be active in cytoplasm and extracellular space. Human ortholog(s) of this gene implicated in congenital nongoitrous hypothyroidism 4 and hypothyroidism. Orthologous to human TSHB (thyroid stimulating hormone subunit beta). [provided by Alliance of Genome Resources, Apr 2022]