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Literature summary for 1.2.7.4 extracted from

  • Eggen, R.I.L.; van Kranenburg, R.; Vriesema, A.J.M.; Geerling, A.C.M.; Verhagen, M.F.J.M.; Hagen, W.R.; de Vos, W.M.
    Carbon monoxide dehydrogenase from Methanosarcina frisia Gö1 (1996), J. Biol. Chem., 271, 14256-14263.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
-
Methanosarcina mazei

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.12
-
methyl viologen
-
Methanosarcina mazei
0.9
-
CO
-
Methanosarcina mazei

Metals/Ions

Metals/Ions Comment Organism Structure
Iron contains 25 mol of Fe2+ and 20 mol of S2- per mol of tetramer, the enzyme contains 2 (4Fe-4S)+ clusters Methanosarcina mazei
Nickel contains 1.3 mol of Ni2+ per mol of tetramer Methanosarcina mazei

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
19000
-
2 * 19000 + 2 * 94000, alpha2beta2, SDS-PAGE Methanosarcina mazei
94000
-
2 * 19000 + 2 * 94000, alpha2beta2, SDS-PAGE Methanosarcina mazei

Organism

Organism UniProt Comment Textmining
Methanosarcina mazei
-
strain Gö1
-

Purification (Commentary)

Purification (Comment) Organism
-
Methanosarcina mazei

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
320
-
-
Methanosarcina mazei

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
CO + H2O + methyl viologen
-
Methanosarcina mazei CO2 + reduced methyl viologen
-
?

Subunits

Subunits Comment Organism
tetramer 2 * 19000 + 2 * 94000, alpha2beta2, SDS-PAGE Methanosarcina mazei

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 9
-
Methanosarcina mazei

pH Range

pH Minimum pH Maximum Comment Organism
6.5 9 pH 6.5: about 25% of maximal activity, pH 8-9: maximal activity Methanosarcina mazei