Assertion: polysaccharide | /r/HasProperty | joined by a covalent bond
Facets:
Source sentences:
text: Lipopolysaccharides (LPS), also known as lipoglycans and endotoxins, are large molecules consisting of a lipid and a polysaccharide composed of O-antigen, outer core and inner core joined by a covalent bond; they are found in the outer membrane of Gram-negative bacteria.