Hemoglobin - Wikipedia, the free encyclopedia
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Hemoglobin (also spelled haemoglobin and abbreviated Hb or Hgb ) is the iron-containing oxygen-transport metalloprotein in the red blood cells of vertebrates, and the tissues of some invertebra...
en.wikipedia.org/wiki/Hemoglobin
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One hemoglobin molecule has the ability to transport up to 4 oxygen molecules. ... The ability of hemoglobin to take up oxygen molecules in the lungs and then release them in the tissues is regulated by several factors both within the hemoglobin molecule itself and through external chemical factors.
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www.bio.davidson.edu/Courses/Molbio/MolStudents/spring2...
www.bio.davidson.edu/Courses/Molbio/MolStudents/spring2005/Heiner/hemoglobin.html
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Hemoglobin is a molecule attached to red blood cells that helps move oxygen and carbon dioxide through the body. ... If the level of hemoglobin in the blood rises too high, then hemoglobin begins to appear in the urine. This is called hemoglobinuria.
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www.nlm.nih.gov/medlineplus/ency/article/003363.htm
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The hemoglobin molecule is made up of four polypeptide chains: two alpha chains < ... The hemoglobin molecule is nearly spherical, with a diameter of 55 angstroms . The four chains are packed together to form a tetramer. The heme groups are located in crevices near the exterior of the molecule, one in each subunit.
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biology.kenyon.edu/BMB/Chime/Lisa/FRAMES/hemetext.htm
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Substitutions of Asn, Glu, and Leu for Gln at the beta131 position of the hemoglobin molecule result in recombinant hemoglobins (rHbs) with moderately lowered oxygen affinity and high cooperativity compared to human normal adult hemoglobin (Hb A). ... 9034-51-9 (Hemoglobin A)
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www.medscape.com/medline/abstract/11969426
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During the past 25 years, several studies have attempted to determine the site of integration of the heme and the four globin chains in vertebrate erythroid cells that is important in the formation of the hemoglobin molecule. ... Hemoglobin mapping showed an intense labeling in the cell cytoplasm, but none in...
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www.medscape.com/medline/abstract/10481306
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This image is a "space-filling" model of hemoglobin. Every atom takes up more space than can be indicated with a line or a ribbon. I just wanted you to see this so that you didn't picture the hemoglobin molecule as full of holes!
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faculty.stcc.edu/AandP/AP/AP2pages/Units18to20/blood/he...
faculty.stcc.edu/AandP/AP/AP2pages/Units18to20/blood/hemoglob.htm
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The hemoglobin molecule combines with three gases, with 02, C02 and with. CO. One has to imagine that the hemoglobin molecule is a very tightly packed ...
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www.springerlink.com/index/T6167T4W6H326572.pdf
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There are two types of protein chains in each hemoglobin molecule: named a and b. Each whole hemoglobin protein structure contains two of each type of protein strand with one heme bound to each strand. It is only in combination with these specific protein groups that the heme can bind with oxygen.
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www.msu.edu/~brinksan/hemo.htm
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