NFKB1 and Sepsis: However, the expression levels of non-phosphorylated IκB and NF-κB p65 were different in the liver tissue of each administration group (Supplementary Figures 6A, B), suggesting that 2K4L reduced the inflammatory response by downregulating the phosphorylation levels of the signaling proteins IκB and NF-κB in A. baumannii-treated sepsis mice.