Assertion: antigen's structure | /r/MadeOf | four polypeptide chains
Facets:
Source sentences:
text: All antibodies share the same basic structure which consists of four polypeptide chains, two light chains (L chains) and two heavy chains (H chains), held together by disulfide bonds.
text: The basic structure of an antibody consists of four polypeptide chains linked by disulphide bridges, two larger structures called HEAVY CHAINS and two smaller called LIGHT CHAINS