the incomplete lipid a precursor produced by a mutant conditionally defective in synthesis of 3-deoxy-d-mannoctulosonate ( kdo ) is rapidly converted to lipopolysaccharide when the mutant culture is shifted from nonpermissive to permissive conditions ( osborn , m.j. , rick , p.d. , and rasmussen , n.s . ( 1980 ) j. biol . chem . 255 , 4246-4251 ) .
C0023767
lipid a
C0023810
lipopolysaccharide