Automated description from the Alliance of Genome Resources (Release 7.1.0)
Enables cysteine-type endopeptidase inhibitor activity and serine-type endopeptidase inhibitor activity. Predicted to be located in several cellular components, including cytoplasmic vesicle; cytosol; and extracellular exosome. Predicted to be active in extracellular space. Is expressed in genital tubercle and gonad. Orthologous to human SERPINB3 (serpin family B member 3) and SERPINB4 (serpin family B member 4).