1.16.3.2: bacterial non-heme ferritin
This is an abbreviated version!
For detailed information about bacterial non-heme ferritin, go to the full flat file.
Word Map on EC 1.16.3.2
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1.16.3.2
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ferroxidase
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nanocage
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iron-storage
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ferritin-like
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apoferritin
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bacterioferritins
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h-chains
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nutrition
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environmental protection
- 1.16.3.2
- ferroxidase
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nanocage
-
iron-storage
-
ferritin-like
- apoferritin
- bacterioferritins
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h-chains
- nutrition
- environmental protection
Reaction
2 Fe(II) + + 2 H2O = 2 [FeO(OH)] + 4 H+
Synonyms
bacterial ferritin, bacterioferritin, BFR, BfrB, CjDps, DNA-binding protein from starved cells, Dps protein, DpsA, EcFtnA, ferritin, ferritin A, Ftn, FtnA, HuHF, L-ferritin, M ferritin, non-cytochrome ferritin, non-heme bacterial ferritin, non-heme ferritin, non-heme type bacterial ferritin, nonheme bacterial ferritin, nonheme FtnA
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Natural Substrates Products
Natural Substrates Products on EC 1.16.3.2 - bacterial non-heme ferritin
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REACTION DIAGRAM
additional information
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although H2O2 is a product of dioxygen reduction in FtnA and oxidation occurs with a stoichiometry of Fe2+/O2 about 3:1 most of the H2O2 produced is consumed in subsequent reactions with a 2:1 Fe2+/H2O2 stoichiometry, thus suppressing hydroxyl-radical formation
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2 Fe(II) + H2O2 + 2 H2O
2 [FeO(OH)] + 4 H+
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2 [FeO(OH)] + 4 H+ + H2O2
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2 Fe(II) + O2 + 4 H2O
2 [FeO(OH)] + 4 H+ + H2O2
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4 Fe(II) + O2 + 6 H2O
4 [FeO(OH)] + 8 H+
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