Predicted to enable hormone binding activity and serine-type endopeptidase inhibitor activity. Predicted to be involved in several processes, including negative regulation of endopeptidase activity; response to vitamin A; and thyroid hormone transport. Predicted to be located in extracellular region. Predicted to be active in extracellular space. Orthologous to human SERPINA7 (serpin family A member 7). [provided by Alliance of Genome Resources, Apr 2022]