Hemoglobin A

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

References

↑ "Hemoglobinopathies". Retrieved 2009-02-06.

External links

Hemoglobin A at the US National Library of Medicine Medical Subject Headings (MeSH)

Proteins: hemeproteins

Globins

Hemoglobin

Subunits

Alpha locus on 16:	α HBA1 HBA2 ζ HBZ θ HBQ1 μ HBM

Beta locus on 11:	β HBB δ HBD γ HBG1 HBG2 ε HBE1

Tetramers

stages of development:	HbA (α₂β₂) HbA2 (α₂δ₂) HbF/Fetal (α₂γ₂) HbE Gower 2 (α₂ε₂) HbE Gower 1 (ζ₂ε₂)

pathology:	HbH (β₄) Barts (γ₄) HbS (α₂β^S₂) HbC (α₂β^C₂) HbE (α₂β^E₂)

Compounds

Carboxyhemoglobin
Carbaminohemoglobin
Oxyhemoglobin/Deoxyhemoglobin
Sulfhemoglobin

Other human

Nonhuman

Other

human:	Myoglobin Metmyoglobin Neuroglobin Cytoglobin

plant:	Leghemoglobin

Other

see also disorders of globin and globulin proteins

M: MYL

cell/phys (coag, heme, immu, gran), csfs

rbmg/mogr/tumr/hist, sysi/epon, btst

drug (B1/2/3+5+6), btst, trns

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