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1.12.2.1: cytochrome-c3 hydrogenase

This is an abbreviated version!
For detailed information about cytochrome-c3 hydrogenase, go to the full flat file.

Word Map on EC 1.12.2.1

Reaction

H2
+ 2 ferricytochrome c3 = 2 H+ + 2 ferrocytochrome c3

Synonyms

cytochrome c3 hydrogenase, cytochrome c3 reductase, cytochrome hydrogenase, cytochrome-c3 hydrogenase, Fe-only hydrogenase, H2:ferricytochrome c3 oxidoreductase, H2ase, hyd B, HydAB, hydrogenase, hydrogenase, cytochrome, Hyn-1B, Hyn1 hydrogenase, HynAB-1, HysAB, [FeFe] hydrogenase, [Fe] hydrogenase, [Fe]-hydrogenase, [NiFeSe] Hase, [NiFeSe] hydrogenase, [NiFe] Hase, [NiFe] hydrogenase, [NiFe] hydrogenase 1, [NiFe]-hydrogenase

ECTree

     1 Oxidoreductases
         1.12 Acting on hydrogen as donor
             1.12.2 With a cytochrome as acceptor
                1.12.2.1 cytochrome-c3 hydrogenase

KM Value

KM Value on EC 1.12.2.1 - cytochrome-c3 hydrogenase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.0026 - 0.025
ferricytochrome c
0.0126 - 0.0368
ferricytochrome c3
0.002 - 0.075
ferrocytochrome c3
0.0052
methyl viologen
-
-
0.0099
mutant cytochrome c3 K101M
-
25°C, pH 7.0, mutant cytochrome c3 K101M
-
0.0027
mutant cytochrome c3 K10M
-
25°C, pH 7.0, mutant cytochrome c3 K10M
-
0.0045
mutant cytochrome c3 K15M
-
25°C, pH 7.0, mutant cytochrome c3 K15M
-
0.003
mutant cytochrome c3 K26M
-
25°C, pH 7.0, mutant cytochrome c3 K26M
-
0.0051
mutant cytochrome c3 K57M
-
25°C, pH 7.0, mutant cytochrome c3 K57M
-
0.0057
mutant cytochrome c3 K58M
-
25°C, pH 7.0, mutant cytochrome c3 K58M
-
0.0104
mutant cytochrome c3 K60M
-
25°C, pH 7.0, mutant cytochrome c3 K60M
-
0.0067
mutant cytochrome c3 K72M
-
25°C, pH 7.0, mutant cytochrome c3 K72M
-
0.0057
mutant cytochrome c3 K94M
-
25°C, pH 7.0, mutant cytochrome c3 K94M
-
0.0073
mutant cytochrome c3 K95M
-
25°C, pH 7.0, mutant cytochrome c3 K95M
-
0.0022
mutant cytochrome c3 Y65A
-
25°C, pH 7.0, mutant cytochrome c3 Y65A
-
0.0043
mutant cytochrome c3 Y66L
-
25°C, pH 7.0, mutant cytochrome c3 Y66L
-
0.08
reduced benzyl viologen
-
H2-evolution assay
0.003
reduced methyl viologen
-
H2-evolution assay
0.032
[Fe] hydrogenase-cytochrome c3 complex
-
pH 7.0, electron transfer kinetics
-
0.006
[Fe] hydrogenase-cytochrome c3-cytochrome Hmc complex
-
pH 7.0, electron transfer kinetics
-
0.04
[Fe] hydrogenase-cytochrome Hmc complex
-
pH 7.0, electron transfer kinetics
-
additional information
additional information
-