Assertion: antigen | /r/HasProperty | polysaccharide
Facets:
value: usually
type: DEGREE
Source sentences:
text: An antigen can be a protein, polysaccharide or lipid on the surface of a pathogen.
text: Antigens are usually proteins, peptides (amino acid chains) and polysaccharides (chains of monosaccharides/simple sugars) but lipids and nucleic acids become antigens only when combined with proteins and polysaccharides.
text: Antigens are typically proteins, peptides, or polysaccharides.
text: Antigens are usually either proteins, peptides, or polysaccharides.
text: Antigens are generally of high molecular weight and are commonly proteins or polysaccharides.
text: Antigens are usually proteins or polysaccharides.
text: Antigens are: proteins, polysaccharides, glycoproteins, or glycolipids.
text: Antigens can be proteins, polysaccharides, lipids or nucleic acids.
text: Antigens can be proteins, polysaccharides or lipids.
text: Antigens, which are usually proteins or polysaccharides, stimulate the immune system to produce antibodies.
text: Antigens are usually proteins or polysaccharides.