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  1. 7.1: Normal Hemoglobin Structure - Medicine LibreTexts

    This page titled 7.1: Normal Hemoglobin Structure is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Valentin Villatoro and Michelle To (Open Education …

  2. 16.2B: RBC Physiology - Medicine LibreTexts

    Hemoglobin is a quaternary structure protein consisting of many smaller tertiary structure proteins composed of amino acid polypeptide chains. Each hemoglobin molecule contains four iron …

  3. 8.8: Erythrocytes - Medicine LibreTexts

    Hemoglobin Figure 5 | Structure of Hemoglobin | 8 (a) Hemoglobin contains four globin proteins, each of which is bound to one molecule of the iron-containing pigment, heme. (b) Heme with …

  4. 18.4: Erythrocytes - Medicine LibreTexts

    Hemoglobin Hemoglobin is a large molecule made up of proteins and iron. It consists of four folded chains of a protein called globin, designated alpha 1 and 2, and beta 1 and 2 (Figure 18 …

  5. 16.2A: RBC Anatomy - Medicine LibreTexts

    Hemoglobin molecules are the most important component of RBCs. Hemoglobin is a specialized protein that contains a binding site for the transport of oxygen and other molecules. The RBCs’ …

  6. 16.3: Erythrocytes - Medicine LibreTexts

    Hemoglobin Hemoglobin is a large molecule made up of proteins and iron. It consists of four folded chains of a protein called globin, designated alpha chain 1 and 2, and beta chain 1 and …

  7. 12.7: Transport of Gases - Medicine LibreTexts

    A small fraction of oxygen (~2 percent) can directly dissolve into the plasma from the alveoli. Hemoglobin, a metalloprotein found in red blood cells, plays a crucial role in binding oxygen …

  8. 9.6: Iron - Medicine LibreTexts

    Figure 9 6 1: The Structure of Hemoglobin. Image by Allison Calabrese / CC BY 4.0 Hemoglobin is composed of four peptides. Each contains a heme group with iron in the center. The iron in …

  9. 21.9D: Carbon Dioxide Transport - Medicine LibreTexts

    Structure of human hemoglobin: Hemoglobin is a tetramer of alpha (red) and beta (blue) subunits with iron containing heme groups (green). A property of hemoglobin called the Haldane effect …

  10. 22.5: Transport of Gases - Medicine LibreTexts

    Function of Hemoglobin Hemoglobin is composed of subunits, a protein structure that is referred to as a quaternary structure. Each of the four subunits that make up hemoglobin is arranged in …