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2,3,5,6-tetramethyl-p-phenylendiamine + O2 + H+
? + H2O
-
-
-
?
2,3,5,6-tetramethyl-p-phenylenediamine + O2
? + H2O
3,3'-diaminobenzidene-tetrahydrochloride + O2 + H+
? + H2O
4 ferrocytochrome c + O2 + 4 H+
4 ferricytochrome c + 2 H2O
4 ferrocytochrome c + O2 + 4 H+/in
4 ferricytochrome c + 2 H2O
amidopyrine + H2O2
?
-
-
-
?
ascorbate + O2
? + H2O
-
reaction of enzyme in detergent solution and reconstituted in phospholipid vesicles
-
?
benzidine + H2O2
?
-
-
-
?
diaminobenzidine + H2O2
?
-
-
-
?
diaminodurene + O2 + H+
?
-
-
-
?
ferricytochrome c + H2O
ferrocytochrome c + O2 + H+
ferrocytochrome c + O2
ferricytochrome c + H2O
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
ferrocytochrome c(H) + O2
ferricytochrome c(H) + H2O
-
-
-
?
ferrocytochrome c-550 + O2
ferricytochrome c-550 + H2O
-
-
-
?
ferrocytochrome c549 + O2 + H+
ferricytochrome c549 + H2O
-
-
-
r
ferrocytochrome c550 + O2 + H+
ferricytochrome c550 + H2O
ferrocytochrome c551 + O2 + H+
ferricytochrome c551 + H2O
ferrocytochrome c552 + O2 + H+
ferricytochrome c552 + H2O
ferrocytochrome c553 + O2 + H+
ferricytochrome c553 + H2O
-
-
-
r
melatonin + H2O2
?
-
-
-
?
N,N,N',N'-tetramethyl-4-phenylendiamine + O2 + H+
?
N,N,N',N'-tetramethyl-p-phenylenediamine + O2
?
-
-
-
?
O2 + 4 cyt c(Fe2+) + 8 H+/in
2 H2O + 4 cyt c(Fe3+) + 4 H+/out
oxidized horse heart cytochrome c + H2O
reduced horse heart cytochrome c + O2 + H+
-
-
-
?
p-phenylenediamine + H2O2
?
-
-
-
?
peroxynitrite
NO + O22-
-
enzyme must be fully reduced, proposed reaction
-
?
phenazine methosulfate + O2 + H+
?
-
-
-
?
reduced ascorbate-N,N,N',N'-tetramethyl-1,4-phenylenediamine + O2 + H+
oxidized ascorbate-N,N,N',N'-tetramethyl-1,4-phenylenediamine + H2O
reduced ascorbate-N,N,N',N'-tetramethyl-4-phenylenediamine + O2 + H+
oxidized ascorbate-N,N,N',N'-tetramethyl-4-phenylenediamine + H2O
-
-
-
r
reduced ascorbate-N,N,N',N'-tetramethyl-4-phenylenediamine dihydrochloride + O2 + H+
oxidized ascorbate-N,N,N',N'-tetramethyl-4-phenylenediamine dihydrochloride + H2O
reduced Aspergillus oryzae cytochrome c + O2
oxidized Aspergillus oryzae cytochrome c + H2O
-
relative activity 2.2%
-
?
reduced Bacillus subtilis cytochrome c + O2
oxidized Bacillus subtilis cytochrome c + H2O
-
relative activity 27%
-
?
reduced Bos taurus cytochrome c + O2
oxidized Bos taurus cytochrome c + H2O
reduced Bos taurus cytochrome c + O2 + H+
oxidized Bos taurus cytochrome c + H2O
-
-
-
?
reduced Bufo vulgaris cytochrome c + O2
oxidized Bufo vulgaris cytochrome c + H2O
-
relative activity 0.73%
-
?
reduced Candida krusei cytochrome c + O2
oxidized Candida krusei cytochrome c + H2O
-
relative activity 5.0%
-
?
reduced Columba livia cytochrome c + O2
oxidized Columba livia cytochrome c + H2O
-
relative activity 0.44%
-
?
reduced cytochrome aa3 + O2 + H+
oxidized cytochrome aa3 + H2O
-
formation of a tryptophan-radical intermediate (tryptophan neutral radical of the strictly conserved Trp-272). The formation of the Trp-272 constitutes the major rate-determining step of the catalytic cycle
-
?
reduced cytochrome c + O2 + H+
oxidized cytochrome c + H2O
reduced cytochrome c551 + O2 + H+
oxidized cytochrome c551 + H2O
reduced Homo sapiens cytochrome c + O2
oxidized Homo sapiens cytochrome c + H2O
-
relative activity 0.44%
-
?
reduced horse cytochrome c + O2
oxidized horse cytochrome c + H2O
reduced horse cytochrome c + O2 + H+
oxidized horse cytochrome c + H2O
reduced horse heart cytochrome c + O2 + H+
oxidized horse heart cytochrome c + H2O
reduced Kloeckera sp. cytochrome c + O2
oxidized Kloeckera sp. cytochrome c + H2O
-
relative activity 5.4%
-
?
reduced Loligo pealeii cytochrome c + O2
oxidized Loligo pealeii cytochrome c + H2O
-
relative activity 1.2%
-
?
reduced Musca domestica cytochrome c + O2
oxidized Musca domestica cytochrome c + H2O
-
relative activity 2.6%
-
?
reduced N,N,N',N'-tetramethyl-4-phenylenediamine + O2 + H2
oxidized N,N,N',N'-tetramethyl-4-phenylenediamine + H2O
reduced N,N,N',N'-tetramethyl-p-phenylene diamine + O2
oxidized N,N,N',N'-tetramethyl-p-phenylene diamine + H2O
reduced oyster cytochrome c + O2
oxidized oyster cytochrome c + H2O
-
relative activity 0.54%
-
?
reduced Physarum polycephalum cytochrome c + O2
oxidized Physarum polycephalum cytochrome c + H2O
-
relative activity 0.9%
-
?
reduced Porphyra tenera cytochrome c + O2
oxidized Porphyra tenera cytochrome c + H2O
-
relative activity 15%
-
?
reduced prawn cytochrome c + O2
oxidized prawn cytochrome c + H2O
-
relative activity 0.95%
-
?
reduced Pseudomonas aeruginosa cytochrome c + O2
oxidized Pseudomonas aeruginosa cytochrome c + H2O
-
relativ activity 100%
-
?
reduced Pseudomonas saccharophila cytochrome c + O2
oxidized Pseudomonas saccharophila cytochrome c + H2O
-
relative activity 82%
-
?
reduced Rhodospirillum rubrum cytochrome c + O2
oxidized Rhodospirillum rubrum cytochrome c + H2O
-
relative activity 1.7%
-
?
reduced Saccharomyces cerevisiae cytochrome c + O2
oxidized Saccharomyces cerevisiae cytochrome c + H2O
-
relative activity 4.9%
-
?
reduced salmon cytochrome c + O2
oxidized salmon cytochrome c + H2O
-
relative activity 7.1%
-
?
reduced Scombridae gen. sp. cytochrome c + O2
oxidized Scombridae gen. sp. cytochrome c + H2O
-
relative activity 8.7%
-
?
reduced shark cytochrome c + O2
oxidized shark cytochrome c + H2O
-
relative activity 1.5%
-
?
reduced Styela plicata cytochrome c + O2
oxidized Styela plicata cytochrome c + H2O
-
relative activity 2.2%
-
?
reduced Triticum aestivum cytochrome c + O2
oxidized Triticum aestivum cytochrome c + H2O
-
relative activity 1.5%
-
?
reduced yeast cytochrome c + O2
oxidized yeast cytochrome c + H2O
tetramethyl-phenylenediamine + O2 + H+
? + H2O
-
-
-
?
tetramethylbenzidine + H2O2
?
-
-
-
?
additional information
?
-
2,3,5,6-tetramethyl-p-phenylenediamine + O2

? + H2O
-
-
-
?
2,3,5,6-tetramethyl-p-phenylenediamine + O2
? + H2O
-
-
-
?
3,3'-diaminobenzidene-tetrahydrochloride + O2 + H+

? + H2O
-
-
?
3,3'-diaminobenzidene-tetrahydrochloride + O2 + H+
? + H2O
-
-
?
3,3'-diaminobenzidene-tetrahydrochloride + O2 + H+
? + H2O
-
-
-
?
4 ferrocytochrome c + O2 + 4 H+

4 ferricytochrome c + 2 H2O
-
-
?
4 ferrocytochrome c + O2 + 4 H+
4 ferricytochrome c + 2 H2O
-
-
?
4 ferrocytochrome c + O2 + 4 H+/in

4 ferricytochrome c + 2 H2O
-
-
-
?
4 ferrocytochrome c + O2 + 4 H+/in
4 ferricytochrome c + 2 H2O
-
-
-
?
ferricytochrome c + H2O

ferrocytochrome c + O2 + H+
-
-
-
?
ferricytochrome c + H2O
ferrocytochrome c + O2 + H+
-
-
-
?
ferricytochrome c + H2O
ferrocytochrome c + O2 + H+
-
-
?
ferricytochrome c + H2O
ferrocytochrome c + O2 + H+
-
-
?
ferricytochrome c + H2O
ferrocytochrome c + O2 + H+
-
-
?
ferricytochrome c + H2O
ferrocytochrome c + O2 + H+
-
-
?
ferrocytochrome c + O2

ferricytochrome c + H2O
-
additional electron donor: rusticyanin, i.e. a copper protein from Thiobacillus ferrooxidans
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
ferrocytochrome c552
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
flavin semiquinone electron donors lumiflavin, riboflavin or FMN can be used, kinetic analysis
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Saccharomyces cerevisiae cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: 2,6-dichlorophenolindophenol
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: phenazine methosulfate
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Candida krusei ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/hexaamine ruthenium
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
proton translocation across eukaryotic mitochondrial and prokyryotic cytoplasmic membrane, overview proposed mechanims
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
reaction intermediates
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
terminal enzyme of the electron transport chain. The glucagon receptor/G-protein/c-AMP pathway regulates enzyme activity
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Crithidia fasciculata cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Saccharomyces cerevisiae cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
flavin semiquinone electron donors lumiflavin, riboflavin or FMN can be used, kinetic analysis
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
cytochrome c550 and cytochrome c549
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Candida krusei ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
proton translocation across eukaryotic mitochondrial and prokyryotic cytoplasmic membrane, overview proposed mechanims
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
overview additional activities i.e. catalase activity, peroxidase activity, superoxide dismutase activity, carbomonoxygenase activity
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Saccharomyces cerevisiae cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: phenazine methosulfate
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Saccharomyces cerevisiae cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
flavin semiquinone electron donors lumiflavin, riboflavin or FMN can be used, kinetic analysis
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Magnetospirillum magnetotacticum cytochrome c550
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/diaminodurene
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: phenazine methosulfate
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
coordinated down regulation of mitochondrial genome-coded CytOX I and CytOX II and nuclear genome-coded CytOX IV and Vb mRNAs during hypoxia
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Nitrobacter agilis ferrocytochrome c552
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Saccharomyces oviformis cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
cow cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
ferrocytochrome c550
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
tuna cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Candida krusei ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Nitrosomonas europaea cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Candida krusei ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Nitrosomonas europaea cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Candida krusei ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Candida krusei ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
coordinated down regulation of mitochondrial genome-coded CytOX I and CytOX II and nuclear genome-coded CytOX IV and Vb mRNAs during hypoxia
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
no proton translocation
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Saccharomyces cerevisiae cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
cow cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
tuna cytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
cytochrome c6 is at least one of the endogenous electron donors. In the thylakoid lumen cytochrome c6 can deliver electrons to cytochrome c oxidase
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
horse ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
Candida krusei ferrocytochrome c
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: ascorbate/N,N,N',N'-tetramethyl-p-phenylenediamine
-
?
ferrocytochrome c + O2
ferricytochrome c + H2O
-
artificial electron donor: phenazine methosulfate
-
?
ferrocytochrome c + O2 + H+

ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
P00396, P00415, P00423, P00426, P00428, P00429, P00430, P04038, P07470, P07471, P10175, P13183, P13184 -
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
Saccharomyces cerevisiae cytochrome c
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
horse cytochrome c
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
Thermus thermophilus cytochrome c
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
Candida krusei cytochrome c
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
r
ferrocytochrome c + O2 + H+
ferricytochrome c + H2O
-
-
-
?
ferrocytochrome c550 + O2 + H+

ferricytochrome c550 + H2O
-
-
-
r
ferrocytochrome c550 + O2 + H+
ferricytochrome c550 + H2O
-
-
-
r
ferrocytochrome c550 + O2 + H+
ferricytochrome c550 + H2O
-
-
-
r
ferrocytochrome c551 + O2 + H+

ferricytochrome c551 + H2O
-
-
-
r
ferrocytochrome c551 + O2 + H+
ferricytochrome c551 + H2O
-
-
-
r
ferrocytochrome c552 + O2 + H+

ferricytochrome c552 + H2O
-
-
-
r
ferrocytochrome c552 + O2 + H+
ferricytochrome c552 + H2O
-
-
-
r
ferrocytochrome c552 + O2 + H+
ferricytochrome c552 + H2O
-
-
-
r
ferrocytochrome c552 + O2 + H+
ferricytochrome c552 + H2O
-
-
-
r
ferrocytochrome c552 + O2 + H+
ferricytochrome c552 + H2O
-
-
-
r
ferrocytochrome c552 + O2 + H+
ferricytochrome c552 + H2O
-
-
-
r
N,N,N',N'-tetramethyl-4-phenylendiamine + O2 + H+

?
-
-
-
?
N,N,N',N'-tetramethyl-4-phenylendiamine + O2 + H+
?
-
-
-
?
N,N,N',N'-tetramethyl-4-phenylendiamine + O2 + H+
?
-
-
-
?
N,N,N',N'-tetramethyl-4-phenylendiamine + O2 + H+
?
-
-
-
?
o-dianisidine + H2O2

?
-
-
-
?
o-dianisidine + H2O2
?
-
-
-
?
o-dianisidine + H2O2
?
-
-
-
?
O2 + 4 cyt c(Fe2+) + 8 H+/in

2 H2O + 4 cyt c(Fe3+) + 4 H+/out
-
-
?
O2 + 4 cyt c(Fe2+) + 8 H+/in
2 H2O + 4 cyt c(Fe3+) + 4 H+/out
-
-
?
reduced ascorbate-N,N,N',N'-tetramethyl-1,4-phenylenediamine + O2 + H+

oxidized ascorbate-N,N,N',N'-tetramethyl-1,4-phenylenediamine + H2O
-
-
-
r
reduced ascorbate-N,N,N',N'-tetramethyl-1,4-phenylenediamine + O2 + H+
oxidized ascorbate-N,N,N',N'-tetramethyl-1,4-phenylenediamine + H2O
-
-
-
r
reduced ascorbate-N,N,N',N'-tetramethyl-4-phenylenediamine dihydrochloride + O2 + H+

oxidized ascorbate-N,N,N',N'-tetramethyl-4-phenylenediamine dihydrochloride + H2O
-
-
-
?
reduced ascorbate-N,N,N',N'-tetramethyl-4-phenylenediamine dihydrochloride + O2 + H+
oxidized ascorbate-N,N,N',N'-tetramethyl-4-phenylenediamine dihydrochloride + H2O
-
-
-
?
reduced Bos taurus cytochrome c + O2

oxidized Bos taurus cytochrome c + H2O
-
-
-
?
reduced Bos taurus cytochrome c + O2
oxidized Bos taurus cytochrome c + H2O
-
-
-
?
reduced Bos taurus cytochrome c + O2
oxidized Bos taurus cytochrome c + H2O
-
relative activity 0.53%
-
?
reduced cytochrome c + O2 + H+

oxidized cytochrome c + H2O
-
-
-
?
reduced cytochrome c + O2 + H+
oxidized cytochrome c + H2O
-
oxidation of cytochrome c by cytochrome oxidase stimulates caspase activation
-
?
reduced cytochrome c + O2 + H+
oxidized cytochrome c + H2O
-
-
-
?
reduced cytochrome c + O2 + H+
oxidized cytochrome c + H2O
-
-
-
?
reduced cytochrome c + O2 + H+
oxidized cytochrome c + H2O
-
-
-
?
reduced cytochrome c + O2 + H+
oxidized cytochrome c + H2O
-
electron exchange of cytochrome c with the electrode with CcO (with a his-tag at the C-terminus of subunit I) immobilized in a protein-tethered bilayer lipid membrane is shown to be mediated by the enzyme if oxygen is present in the bulk solution. The increasing current density in the anodic and cathodic direction in the presence of oxygen may be due to intermediate redox states of the CcO. Hopping mechanism of electron transfer through the enzyme between cytochrome c and the electrode
-
?
reduced cytochrome c + O2 + H+
oxidized cytochrome c + H2O
-
-
-
?
reduced cytochrome c + O2 + H+
oxidized cytochrome c + H2O
-
-
-
?
reduced cytochrome c551 + O2 + H+

oxidized cytochrome c551 + H2O
-
-
-
?
reduced cytochrome c551 + O2 + H+
oxidized cytochrome c551 + H2O
-
-
-
?
reduced horse cytochrome c + O2

oxidized horse cytochrome c + H2O
-
-
-
?
reduced horse cytochrome c + O2
oxidized horse cytochrome c + H2O
-
-
-
?
reduced horse cytochrome c + O2 + H+

oxidized horse cytochrome c + H2O
-
-
-
?
reduced horse cytochrome c + O2 + H+
oxidized horse cytochrome c + H2O
-
-
-
?
reduced horse heart cytochrome c + O2 + H+

oxidized horse heart cytochrome c + H2O
-
-
-
?
reduced horse heart cytochrome c + O2 + H+
oxidized horse heart cytochrome c + H2O
-
-
-
?
reduced N,N,N',N'-tetramethyl-4-phenylenediamine + O2 + H2

oxidized N,N,N',N'-tetramethyl-4-phenylenediamine + H2O
-
-
-
?
reduced N,N,N',N'-tetramethyl-4-phenylenediamine + O2 + H2
oxidized N,N,N',N'-tetramethyl-4-phenylenediamine + H2O
-
-
-
?
reduced N,N,N',N'-tetramethyl-p-phenylene diamine + O2

oxidized N,N,N',N'-tetramethyl-p-phenylene diamine + H2O
-
-
-
?
reduced N,N,N',N'-tetramethyl-p-phenylene diamine + O2
oxidized N,N,N',N'-tetramethyl-p-phenylene diamine + H2O
-
-
-
?
reduced yeast cytochrome c + O2

oxidized yeast cytochrome c + H2O
-
-
-
?
reduced yeast cytochrome c + O2
oxidized yeast cytochrome c + H2O
-
-
-
?
additional information

?
-
-
accessibility and electrostatic charge of enzyme do not differ in a significant way among human, Arabidopsis thaliana and horse
-
?
additional information
?
-
-
numerous organic aromatic compounds, which are not oxidized by cytochrome oxidase via the oxidase mechanism (i.e. using molecular oxygen as the terminal acceptor), can undergo a low rate oxidation by cytochrome oxidase via the peroxidase mechanism. Paracetamol and isonicotinic acid hydrazide are completely resistant to peroxidation by cytochrome oxidase
-
?
additional information
?
-
-
cytochrome c oxidase is an efficient energy transducer that reduces oxygen to water and converts the released chemical energy into an electrochemical membrane potential. As a true proton pump, the enzyme translocates protons across the membrane against this potential
-
?
additional information
?
-
-
accessibility and electrostatic charge of enzyme do not differ in a significant way among human, Arabidopsis thaliana and horse
-
?
additional information
?
-
-
accessibility and electrostatic charge of enzyme do not differ in a significant way among human, Arabidopsis thaliana and horse
-
?
additional information
?
-
-
antioxidant enzyme activities may not be enhanced as part of adaptation in arctic fishes, at least not in the liver
-
?
additional information
?
-
-
antioxidant enzyme activities may not be enhanced as part of adaptation in arctic fishes, at least not in the liver
-
?
additional information
?
-
-
antioxidant enzyme activities may not be enhanced as part of adaptation in arctic fishes, at least not in the liver
-
?
additional information
?
-
-
the enzyme also shows catalase activity
-
?
additional information
?
-
For all mutant strains, the NADH oxidation activity of membranes obtained from aerobic exponentially growing cultures is some higher than that of the wild-type strain (in the range of 10–35% higher)
-
?
additional information
?
-
-
For all mutant strains, the NADH oxidation activity of membranes obtained from aerobic exponentially growing cultures is some higher than that of the wild-type strain (in the range of 10–35% higher)
-
?
additional information
?
-
inactivation of the Cbb3-1 terminal oxidase in a strain containing a wild-type ANR gene lead to a 46% decrease in cytochrome b and to a 57% decrease in cytochrome c
-
?
additional information
?
-
-
inactivation of the Cbb3-1 terminal oxidase in a strain containing a wild-type ANR gene lead to a 46% decrease in cytochrome b and to a 57% decrease in cytochrome c
-
?
additional information
?
-
For all mutant strains, the NADH oxidation activity of membranes obtained from aerobic exponentially growing cultures is some higher than that of the wild-type strain (in the range of 10–35% higher)
-
?
additional information
?
-
inactivation of the Cbb3-1 terminal oxidase in a strain containing a wild-type ANR gene lead to a 46% decrease in cytochrome b and to a 57% decrease in cytochrome c
-
?
additional information
?
-
-
thyroid hormone T3 regulates the expression of COX subunits by both transcriptional and posttranslational mechanism
-
?
additional information
?
-
-
the predominant entry point for protons going into the K-channel of cytochrome oxidase is the surface-exposed glutamic acid E101 in subunit II
-
?
additional information
?
-
-
cytochrome c purified from mammalian brain is phosphorylated on S47, phosphorylation is lost during ischemia. Both S47-phosphorylated and phosphomimetic cytochrome c show a lower oxygen consumption rate in reaction with isolated Cytc oxidase
-
?
additional information
?
-
-
the intermolecular electron transfer kinetics between CytcM and the soluble CuA domain, i.e. the donor binding and electron entry site, of subunit II of cytochrome c oxidase is investigated
-
?
additional information
?
-
-
oxygenation of the tetradentate model both in MeCN and in other solvents produces a low-temperature-stable dioxygen-bridged peroxide with an O-O stretching vibration at 799 cm-1. Oxygenation of the tridentate model in EtCN solution generates a heme superoxide species with the copper moiety oxidized to copper(II). Coexistence of a heme superoxide and a bridged peroxide species in equivalent amounts when the oxygenation reaction is carried out in CH2Cl2/7% EtCN
-
?
additional information
?
-
-
antioxidant enzyme activities may not be enhanced as part of adaptation in arctic fishes, at least not in the liver
-
?
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