1.11.1.5: cytochrome-c peroxidase
This is an abbreviated version!
For detailed information about cytochrome-c peroxidase, go to the full flat file.
Word Map on EC 1.11.1.5
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1.11.1.5
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peroxidases
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horseradish
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horse
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high-spin
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paramagnetic
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low-spin
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ferrous
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porphyrin
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ferryl
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peroxidatic
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paracoccus
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iso-1-cytochrome
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soret
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electron-transfer
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ferricytochrome
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kraut
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denitrificans
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ccp1
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hexacoordinate
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oxyferryl
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katgs
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catalase-peroxidase
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poulos
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pentacoordinate
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chrysosporium
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interprotein
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intracomplex
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five-coordinate
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high-potential
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ferrocyanide
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phanerochaete
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low-potential
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six-coordinate
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azurin
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pi-cation
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chloroperoxidase
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protoheme
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5-coordinate
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half-reduced
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pantotrophus
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nitrosomonas
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hyperfine-shifted
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metmyoglobins
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biotechnology
- 1.11.1.5
- peroxidases
- horseradish
- horse
-
high-spin
-
paramagnetic
-
low-spin
-
ferrous
- porphyrin
-
ferryl
-
peroxidatic
- paracoccus
-
iso-1-cytochrome
-
soret
-
electron-transfer
- ferricytochrome
-
kraut
- denitrificans
- ccp1
-
hexacoordinate
-
oxyferryl
-
katgs
- catalase-peroxidase
-
poulos
-
pentacoordinate
- chrysosporium
-
interprotein
-
intracomplex
-
five-coordinate
-
high-potential
- ferrocyanide
-
phanerochaete
-
low-potential
-
six-coordinate
- azurin
-
pi-cation
- chloroperoxidase
- protoheme
-
5-coordinate
-
half-reduced
- pantotrophus
- nitrosomonas
-
hyperfine-shifted
- metmyoglobins
- biotechnology
Reaction
2 ferrocytochrome c + + 2 H+ = + 2 H2O
Synonyms
apocytochrome c peroxidase, BCcP, CCP, CCP1, CcpA, Cjj0382, CytC, cytochrome c iso-1, cytochrome c peroxidase, cytochrome c-551 peroxidase, cytochrome c-H2O oxidoreductase, cytochrome peroxidase, di-heme cytochrome c peroxidase, diheme cytochrome c peroxidase, diheme cytochrome c5 peroxidase CcpA, DocA, LmP, MacA, mesocytochrome c peroxidase azide, mesocytochrome c peroxidase cyanate, mesocytochrome c peroxidase cyanide, peroxidase, cytochrome c, Psa CcP
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Reaction
Reaction on EC 1.11.1.5 - cytochrome-c peroxidase
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kinetics
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2 ferrocytochrome c + H2O2 + 2 H+ = 2 ferricytochrome c + 2 H2O
kinetics, energy, catalysis information
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2 ferrocytochrome c + H2O2 + 2 H+ = 2 ferricytochrome c + 2 H2O
reaction scheme
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2 ferrocytochrome c + H2O2 + 2 H+ = 2 ferricytochrome c + 2 H2O
pseudo-first-order kinetics
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2 ferrocytochrome c + H2O2 + 2 H+ = 2 ferricytochrome c + 2 H2O
the enzyme uses hydrogen peroxide as an electron acceptor to oxidize cytochrome c. The enzyme is not essential for both cell viability and respiration. Its biological function is to reduce H2O2 generated during aerobic respiratory process. The enzyme may also act as a peroxynitrite scavenger
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2 ferrocytochrome c + H2O2 + 2 H+ = 2 ferricytochrome c + 2 H2O
only ferrocytochrome c bound at the Pelletier-Kraut site of enzyme is oxidized during turnover
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2 ferrocytochrome c + H2O2 + 2 H+ = 2 ferricytochrome c + 2 H2O
the intermediate Compound I forms once H2O2 is heterolytically cleaved, releasing a water molecule. The remaining O atom oxidizes the heme iron to Fe(IV) and an organic moiety to a cation radical. For most heme peroxidases, this moiety is the porphyrin ring. Upon two electron transfer events from two substrate molecules, the enzyme returns to the resting state with water occupying the active site
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