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Keyword Porphyrin biosynthesis

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DefinitionProtein involved in the synthesis of porphyrins which are compounds that contain the porphin structure, e.g. four pyrrole rings connected by methine bridges in a cyclic configuration to which a variety of side chains are attached. Porphyrins often chelate metal ions (Fe, Mg, Co, Zn, Cu, Ni). Examples are, heme proteins (which contain iron porphyrins) like myoglobin, hemoglobin, cytochromes, or related macrocycles including chlorophylls (which have a central magnesium ion) and pheophytins (which are metal free) and vitamin B-12 (which has cobalt).
CategoryBiological process
GOiporphyrin-containing compound biosynthetic process [ GO:0006779 ]
GraphicalPorphyrin biosynthesisBiological process