| http://www.w3.org/ns/prov#value | - Each apoferritin molecule of 450???000 d can sequester up to approximately 4500 iron atoms.10 Depending on the tissue type and physiologic status of the cell, the ratio of H to L subunits in ferritin can vary widely, from predominantly L in such tissues as liver and spleen, to predominantly H in heart and kidney.11 The H-to-L ratio is not fixed, but is rather quite plastic: it is readily modified
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