above this temperature , the reflections are shifted to 4.30 nm for free lipid a ( at 55 degrees c ) , 4.60 nm for re lipopolysaccharide ( at 37 degrees c ) , and to 5.50 nm for rd1 lipopolysaccharide ( at 37 degrees c ) .
C0023767
lipid a
C0023810
lipopolysaccharide