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Hemoglobin: Difference between revisions
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== Types == | == Types == | ||
Different hemoglobin variants are due to the abnormal process of producing hemoglobin. Since hemoglobin is made of heme, an iron-containing portion, and globin, which forms a protein, the molecules should be found in all red blood cells. The molecules combine with oxygen in the lungs and carry it around throughout the body to release it to the body’s organs and tissues. <ref name=sick/> | |||
In the embryo: | In the embryo: | ||
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* Haemoglobin A (α2β2) (PDB 1BZ0) - The most common type. (95%-98%) It includes two alpha (α) protein chains and two beta (β) protein chains | * Haemoglobin A (α2β2) (PDB 1BZ0) - The most common type. (95%-98%) It includes two alpha (α) protein chains and two beta (β) protein chains | ||
* Haemaglobin A2 (α2δ2) - It has two alpha (α) and two delta (δ) protein chains. It makes up about 2%-3% of Hb. | * Haemaglobin A2 (α2δ2) - It has two alpha (α) and two delta (δ) protein chains. It makes up about 2%-3% of Hb. | ||
* Haemoglobin F (α2γ2) - It has two alpha (α) and two gamma (γ) protein chains. In adults, | * Haemoglobin F (α2γ2) - It has two alpha (α) and two gamma (γ) protein chains. In adults, this type of hemoblogin is found in only red cells, whcih is also called F cells. <ref> [http://www.labtestsonline.org/understanding/analytes/hemoglobin_var/glance.html Hemoglobin Variants] Lab Tests Online </ref> <ref name=global/> | ||
== References == | == References == | ||
