Hemoglobin A

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Hemoglobin A (HbA), also known as adult hemoglobin or α2β2, is the most common human hemoglobin tetramer, comprising over 97% of the total red blood cell hemoglobin. It consists of two alpha chains and two beta chains.[1]


  1. ^ "Hemoglobinopathies". Retrieved 2009-02-06. 

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