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porphobilinogen |
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porphobilinogen [¦pȯr·fō·bə′lin·ə·jən] (biochemistry) C10H14O4N2Dicarboxylic acid derived from pyrrole; a product of hemoglobin breakdown that gives the urine a Burgundy-red color. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The ALAD gene codes for the enzyme [delta]-aminolevulinic acid dehydratase (ALAD), which catalyzes the second step of heme synthesis involving the condensation of two molecules of aminolevulinic acid (ALA) to form porphobilinogen. The affinity of human erythrocyte porphobilinogen synthase for Zn2+ and Pb2+. These include aminolevulinate (ALA) dehydratase, porphobilinogen deaminase (hydroxymethylbilane synthase), and uroporphyrinogen decarboxylase in spleen and ALA synthase in liver. |
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