{"senses": [{"topics": ["biochemistry", "biology", "chemistry", "immunology", "medicine", "microbiology", "natural-sciences", "physical-sciences", "sciences"], "categories": ["English countable nouns", "English entries with incorrect language header", "English lemmas", "English multiword terms", "English nouns", "Pages with 1 entry", "Pages with entries", "en:Biochemistry", "en:Immunology", "en:Molecular biology"], "links": [["immunology", "immunology"], ["biochemistry", "biochemistry"], ["molecular biology", "molecular biology"], ["antibody", "antibody"], ["amino acid", "amino acid"], ["specificity", "specificity"]], "raw_glosses": ["(immunology, biochemistry, molecular biology) The portion of an antibody whose amino acid sequence varies between different antibodies, forming the antigen‑binding domains that determine specificity."], "qualifier": "molecular biology", "glosses": ["The portion of an antibody whose amino acid sequence varies between different antibodies, forming the antigen‑binding domains that determine specificity."]}], "pos": "noun", "head_templates": [{"name": "en-noun", "args": {}, "expansion": "variable region (plural variable regions)"}], "forms": [{"form": "variable regions", "tags": ["plural"]}], "related": [{"word": "constant region"}, {"word": "heavy chain"}, {"word": "light chain"}, {"word": "Fab region"}, {"word": "paratope"}], "word": "variable region", "lang": "English", "lang_code": "en"}