Fibronectin-binding protein, which is involved in adhesion to host cells and in the infective process. Mediates the binding of B.suis to the extracellular matrix and to non-phagocytic cells via cell-associated fibronectin. Localizes at one cell pole (PubMed:22321605). The C-terminal autotransporter region is probably inserted into the outer membrane (Probable). The signal peptide, cleaved at the inner membrane, guides the autotransporter protein to the periplasmic space. Then, insertion of the C-terminal translocator domain in the outer membrane forms a hydrophilic pore for the translocation of the passenger domain to the bacterial cell surface. Deletion mutant is impaired in the adhesion of B.suis to immobilized fibronectin and host cells.