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Information on EC 1.16.3.2 - bacterial non-heme ferritin

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EC Tree
     1 Oxidoreductases
         1.16 Oxidizing metal ions
             1.16.3 With oxygen as acceptor
                1.16.3.2 bacterial non-heme ferritin
IUBMB Comments
Ferritins are intracellular iron-storage and detoxification proteins found in all kingdoms of life. They are formed from two subunits that co-assemble in various ratios to form a spherical protein shell. Thousands of mineralized iron atoms are stored within the core of the structure. The product of dioxygen reduction by the bacterial non-heme ferritin is hydrogen peroxide, which is consumed in a subsequent reaction.
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Word Map
The expected taxonomic range for this enzyme is: Bacteria, Archaea, Eukaryota
Reaction Schemes
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6
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8
Synonyms
ferritin a, dna-binding protein from starved cells, ecftna, cjdps, non-heme ferritin, non-heme type bacterial ferritin, non-heme bacterial ferritin, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
2 Fe(II) + H2O2 + 2 H2O = 2 [FeO(OH)] + 4 H+
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(1b)
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2 Fe(II) + O2 + 4 H2O = 2 [FeO(OH)] + 4 H+ + H2O2
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(1a)
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4 Fe(II) + O2 + 6 H2O = 4 [FeO(OH)] + 8 H+
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overall reaction
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