lipopolysaccharide lps, lipid a and inner core fragment endotoxin molecule from e. coli.

acid amebocyte amino atoms coli core disease endotoxemia endotoxin escherichia fever gramnegative health illustration immune inflammation innate lal limulus lipid lipopolysaccharide lps lysate model molecular molecule oantigen pdb3fxi peptide polymer polypeptide polysaccharide protein pyrogen rendering response science scientific shock structure