See Also: Hypervariable regions(health)
hypervariable regions(medicine)
hypervariable region(medicine)
Antarctic regions(encyclopedia)
arctic regions(medicine)
Regions Hospital(health)
Regions Financial(finance)
Regions Bank(finance)
regions of chest(medicine)
promoter regions(medicine)

Hypervariable regions (health)


Portions of the light and heavy immunoglobulin chains that are highly variable in amino acid sequence from one immunoglobulin molecule to another, and that, together, constitute the antigen-binding site of an antibody molecule. Also, portions of the T-cell receptor which constitute the antigen-binding site.