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Literature summary extracted from

  • Colby, J.; Dalton, H.
    Resolution of the methane mono-oxygenase of Methylococcus capsulatus (Bath) into three components. Purification and properties of component C, a flavoprotein (1978), Biochem. J., 171, 461-468.
    View publication on PubMedView publication on EuropePMC

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.14.13.25 cytoplasm
-
Methylococcus capsulatus 5737
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.14.13.25 Cu2+ component C contains no copper Methylococcus capsulatus
1.14.13.25 Iron 1.3-1.5 atoms iron per molecule Methylococcus capsulatus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.14.13.25 additional information
-
enzyme system consists of 3 protein components A, B, C Methylococcus capsulatus
1.14.13.25 42000
-
component C Methylococcus capsulatus

Organism

EC Number Organism UniProt Comment Textmining
1.14.13.25 Methylococcus capsulatus
-
Bath
-
1.14.13.25 Methylococcus capsulatus Bath
-
Bath
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.14.13.25 component C Methylococcus capsulatus

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.14.13.25 5.71
-
purified component C Methylococcus capsulatus

Storage Stability

EC Number Storage Stability Organism
1.14.13.25 0°C, protein C, loss of 60-90% of activity within 20 h Methylococcus capsulatus
1.14.13.25 0°C, proteins A and B, stable for at least 24 h Methylococcus capsulatus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.13.25 ethene + NAD(P)H + O2
-
Methylococcus capsulatus epoxyethane + NAD(P)+ + H2O
-
?
1.14.13.25 ethene + NAD(P)H + O2
-
Methylococcus capsulatus Bath epoxyethane + NAD(P)+ + H2O
-
?
1.14.13.25 methane + NAD(P)H + O2
-
Methylococcus capsulatus methanol + NAD(P)+ + H2O
-
?
1.14.13.25 methane + NAD(P)H + O2
-
Methylococcus capsulatus Bath methanol + NAD(P)+ + H2O
-
?

Subunits

EC Number Subunits Comment Organism
1.14.13.25 More enzyme system consists of 3 protein components A, B, C Methylococcus capsulatus
1.14.13.25 More component A is a hydroxylase Methylococcus capsulatus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
1.14.13.25 55
-
protein A, 10 min Methylococcus capsulatus

Cofactor

EC Number Cofactor Comment Organism Structure
1.14.13.25 FAD protein C, reductase component: contains 1 mol FAD per mol protein Methylococcus capsulatus
1.14.13.25 NADH
-
Methylococcus capsulatus