• Thumbnail for Protoporphyrin IX
    Protoporphyrin IX is an organic compound, classified as a porphyrin, that plays an important role in living organisms as a precursor to other critical...
    14 KB (1,408 words) - 10:40, 18 May 2024
  • Thumbnail for Chlorophyllide
    and protoporphyrinogen IX, which is oxidised to the fully aromatic protoporphyrin IX. Insertion of iron into protoporphyrin IX in for example mammals...
    19 KB (1,765 words) - 02:27, 3 December 2023
  • Thumbnail for Zinc protoporphyrin
    Zinc protoporphyrin (ZPP) refers to coordination complexes of zinc and protoporphyrin IX. It is a red-purple solid that is soluble in water. The complex...
    12 KB (1,324 words) - 01:49, 10 December 2023
  • Thumbnail for Ferrochelatase
    biosynthesis of heme, converting protoporphyrin IX into heme B. It catalyses the reaction: protoheme + 2 H+ = protoporphyrin + Fe2+ Ferrochelatase catalyzes...
    19 KB (2,000 words) - 10:52, 11 December 2023
  • Thumbnail for Magnesium protoporphyrin IX methyltransferase
    In enzymology, a magnesium protoporphyrin IX methyltransferase (EC 2.1.1.11) is an enzyme that catalyzes the chemical reaction S-adenosyl-L-methionine...
    4 KB (337 words) - 15:54, 2 December 2023
  • Thumbnail for Aminolevulinic acid
    in the cytosol and finally gets converted to Protoporphyrin IX inside the mitochondria. This protoporphyrin molecule chelates with iron in presence of enzyme...
    17 KB (1,747 words) - 19:53, 17 March 2024
  • Thumbnail for Protoporphyrinogen oxidase
    Protoporphyrinogen oxidase is responsible for the seventh step in biosynthesis of protoporphyrin IX. This porphyrin is the precursor to hemoglobin, the oxygen carrier...
    14 KB (1,619 words) - 14:46, 6 August 2024
  • Thumbnail for Magnesium chelatase
    three-component enzyme (EC 6.6.1.1) that catalyses the insertion of Mg2+ into protoporphyrin IX. This is the first unique step in the synthesis of chlorophyll and...
    4 KB (358 words) - 14:49, 26 August 2023
  • Thumbnail for Magnesium-protoporphyrin IX monomethyl ester (oxidative) cyclase
    Magnesium-protoporphyrin IX monomethyl ester (oxidative) cyclase (EC 1.14.13.81), is an enzyme with systematic name magnesium-protoporphyrin-IX 13-monomethyl...
    5 KB (516 words) - 14:49, 26 August 2023
  • Thumbnail for Porphyrin
    Derivatives of protoporphyrin IX are common in nature, the precursor to hemes. Octaethylporphyrin (H2OEP) is a synthetic analogue of protoporphyrin IX. Unlike...
    25 KB (2,304 words) - 16:20, 3 August 2024