Patent ID: 7312311

Claim:
A heterologous proteinaceous substance comprising: at least one stretch of amino acids derived from a first microorganism, wherein the heterologous proteinaceous substance is capable of attaching to a cell wall of a second microorganism, said stretch of amino acids comprising at least one AcmA repeat comprising SEQ ID NO:17, wherein the AcmA repeat is capable of attaching the heterologous proteinaceous substance to the cell wall of the second microorganism, and a reactive group selected from the group consisting of an antigenic determinant, an enzyme, an antibody, a single-chain antibody, a fragment of an antibody, a fragment of a single-chain antibody, a polyhistidyl tag, a fluorescing protein, luciferase, a binding peptide, an antibiotic, a hormone, a non-peptide antigenic determinant, a carbohydrate, a fatty acid, an aromatic compound, and a reporter molecule.