The DMBT1 protein is a potential tumor suppressor in a variety of cancers and affects a variety of biological processes. It contributes to mucosal and cellular immune defense, epithelial differentiation, and serves as an opsonin receptor for SFTPD and SPAR in macrophages. DMBT1 Protein, Human (HEK293, His) is the recombinant human-derived DMBT1 protein, expressed by HEK293 , with C-His labeled tag.