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Literature summary extracted from

  • Chardin, B.; Giudici-Orticoni, M.T.; De Luca, G.; Guigliarelli, B.; Bruschi, M.
    Hydrogenases in sulfate-reducing bacteria function as chromate reductase (2003), Appl. Microbiol. Biotechnol., 63, 315-321.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.12.99.6 Cr3+ weak inhibition Desulfomicrobium norvegicum
1.12.99.6 Cr3+ weak inhibition Desulfovibrio vulgaris
1.12.99.6 Cr6+ 0.03 mM, complete inhibition of methyl viologen reduction Desulfomicrobium norvegicum
1.12.99.6 Cr6+ 0.1 mM, complete inhibition of methyl viologen reduction Desulfovibrio vulgaris

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.12.99.6 0.016
-
Cr6+ pH 7.0 Desulfovibrio vulgaris
1.12.99.6 0.016
-
Cr6+ pH 7.0 Solidesulfovibrio fructosivorans
1.12.99.6 0.021
-
Cr6+ pH 7.0 Desulfomicrobium norvegicum

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.12.99.6 Fe contains several [4Fe-4S] clusters Desulfovibrio vulgaris
1.12.99.6 Fe contains several [4Fe-4S] clusters Desulfomicrobium norvegicum
1.12.99.6 Fe contains several [4Fe-4S] clusters Solidesulfovibrio fructosivorans
1.12.99.6 Ni contains Ni in the catalytic center Desulfomicrobium norvegicum
1.12.99.6 Ni contains Ni in the catalytic center Solidesulfovibrio fructosivorans

Organism

EC Number Organism UniProt Comment Textmining
1.12.99.6 Desulfomicrobium norvegicum
-
-
-
1.12.99.6 Desulfovibrio vulgaris
-
-
-
1.12.99.6 Solidesulfovibrio fructosivorans
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.12.99.6
-
Desulfovibrio vulgaris
1.12.99.6
-
Desulfomicrobium norvegicum
1.12.99.6
-
Solidesulfovibrio fructosivorans

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.12.99.6 80
-
H2 uptake Solidesulfovibrio fructosivorans
1.12.99.6 80
-
Cr6+ reduction Solidesulfovibrio fructosivorans
1.12.99.6 161
-
Cr6+ reduction Desulfomicrobium norvegicum
1.12.99.6 205
-
H2 uptake Desulfomicrobium norvegicum
1.12.99.6 7680
-
Cr6+ reduction Desulfovibrio vulgaris
1.12.99.6 50000
-
H2 uptake Desulfovibrio vulgaris

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.12.99.6 H2 + Cr6+
-
Desulfovibrio vulgaris Cr3+ + H+
-
?
1.12.99.6 H2 + Cr6+
-
Desulfomicrobium norvegicum Cr3+ + H+
-
?
1.12.99.6 H2 + Cr6+
-
Solidesulfovibrio fructosivorans Cr3+ + H+
-
?
1.12.99.6 H2 + oxidized methyl viologen
-
Desulfovibrio vulgaris reduced methyl viologen + H+
-
?
1.12.99.6 H2 + oxidized methyl viologen
-
Desulfomicrobium norvegicum reduced methyl viologen + H+
-
?
1.12.99.6 H2 + oxidized methyl viologen
-
Solidesulfovibrio fructosivorans reduced methyl viologen + H+
-
?

Synonyms

EC Number Synonyms Comment Organism
1.12.99.6 Fe-hydrogenase
-
Desulfovibrio vulgaris
1.12.99.6 NiFe-hydrogenase
-
Solidesulfovibrio fructosivorans
1.12.99.6 NIFeSe-hydrogenase
-
Desulfomicrobium norvegicum

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.12.99.6 0.09
-
Cr6+ pH 7.0 Solidesulfovibrio fructosivorans
1.12.99.6 0.23
-
Cr6+ pH 7.0 Desulfomicrobium norvegicum
1.12.99.6 1.3
-
Cr6+ pH 7.0 Desulfovibrio vulgaris