IgaA is an integral inner membrane protein that was discovered as repressor of the RcsCDB phosphorelay system in the intracellular pathogen Salmonella enterica serovar Typhimurium. The RcsCDB system. conserved in many members of the family Enterobacteriaceae. regulates expression of varied processes including motility. https://www.foldlyers.shop/product-category/sirens/