Type IV secretion systems (T4SS) are multi-protein complexes in a number of bacterial pathogens that can translocate proteins and DNA to the host. Most T4SSs function in conjugation and translocate DNA; however. approximately 13% function to secrete proteins. delivering effector proteins into the cytosol of eukaryotic host cells. https://shopredoners.shop/product-category/originals-long-sleeve-tee/