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  2. Hemoglobin - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin

    Hemoglobin in the blood carries oxygen from the respiratory organs (lungs or gills) to the other tissues of the body, where it releases the oxygen to enable aerobic respiration which powers an animal's metabolism. A healthy human has 12 to 20 grams of hemoglobin in every 100 mL of blood. Hemoglobin is a metalloprotein, a chromoprotein, and ...

  3. Globin - Wikipedia

    en.wikipedia.org/wiki/Globin

    The most famous mutation in the globin fold is a change from glutamate to valine in one chain of the hemoglobin molecule. This mutation creates a "hydrophobic patch" on the protein surface that promotes intermolecular aggregation, the molecular event that gives rise to sickle-cell disease .

  4. Hemoglobin variants - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_variants

    Hemoglobin variants occur when there are mutations in specific genes that code for the protein chains, known as globins, which make up the hemoglobin molecule. This leads to amino acid substitutions in the hemoglobin molecule that could affect the structure, properties, and/or the stability of the hemoglobin molecule.

  5. Hemoglobin subunit beta - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_subunit_beta

    Hemoglobin subunit beta (beta globin, β-globin, haemoglobin beta, hemoglobin beta) is a globin protein, coded for by the HBB gene, which along with alpha globin , makes up the most common form of haemoglobin in adult humans, hemoglobin A (HbA). [5] It is 147 amino acids long and has a molecular weight of 15,867 Da.

  6. Hemoglobin A - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_A

    Hemoglobin A (HbA), also known as adult hemoglobin, hemoglobin A1 or α 2 β 2, is the most common human hemoglobin tetramer, accounting for over 97% of the total red blood cell hemoglobin. [1] Hemoglobin is an oxygen-binding protein, found in erythrocytes , which transports oxygen from the lungs to the tissues. [ 2 ]

  7. Thalassemia - Wikipedia

    en.wikipedia.org/wiki/Thalassemia

    Hemoglobin is a protein containing iron that facilitates the transportation of oxygen in red blood cells. [30] Hemoglobin in the blood carries oxygen from the lungs to the other tissues of the body, where it releases the oxygen to enable metabolism. A healthy level of hemoglobin for men is between 13.2 and 16.6 grams per deciliter, and in women ...

  8. Globular protein - Wikipedia

    en.wikipedia.org/wiki/Globular_protein

    Among the most known globular proteins is hemoglobin, a member of the globin protein family. Other globular proteins are the alpha , beta and gamma (IgA, IgD, IgE, IgG and IgM) globulin. See protein electrophoresis for more information on the different globulins.

  9. Hemoglobin D - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_D

    Hemoglobin D has the basic structure and composition of normal adult hemoglobin. It is a globular protein containing prosthetic (non-protein) group called heme. There are four individual peptide chains, namely two α- and two β-subunits, each made of 141 and 146 amino acid residues, respectively.