👉 Typhoidin is a glycoprotein found in the gut of Salmonella Typhi, which is a bacterium that causes typhoid fever. It is an important part of the immune system's defense against bacterial infections such as typhoid and cholera. The typhoidin protein contains a specific sequence of amino acids that binds to antigens (bacteria) in the gut and triggers an immune response. When it binds to these antigens, it can cause inflammation and release