The reactive unit of hemoglobin in hemoglobin-haptoglobin complex formation.
D000818:Animals; D003429:Cross Reactions; D004591:Electrophoresis, Polyacrylamide Gel; D004592:Electrophoresis, Starch Gel; D006242:Haptoglobins; D006454:Hemoglobins; D006801:Humans; D005779:Immunodiffusion; D046911:Macromolecular Substances; D011485:Protein Binding; D011817:Rabbits / Q000276:immunology; D014461:Ultracentrifugation
D006242:Haptoglobins; D006454:Hemoglobins; D046911:Macromolecular Substances