the structural part responsible for this activity of lps is the lipid moiety ( lipid a ) , because the lipid a prepared from either the lps of escherichia coli or the endotoxic glycolipid of a heptose-less mutant ( r595 ) of salmonella minnesota affected mitochondrial oxidative phosphorylation as did lps , whereas the polysaccharide moiety was inactive .
C0023767
lipid a
C0023810
lps