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Literature summary extracted from

  • Culpepper, M.A.; Rosenzweig, A.C.
    Architecture and active site of particulate methane monooxygenase (2012), Crit. Rev. Biochem. Mol. Biol., 47, 483-492.
    View publication on PubMedView publication on EuropePMC

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.14.18.3 membrane
-
 Methylosinus trichosporium 16020
-
1.14.18.3 membrane
-
 Methylocystis sp. 16020
-
1.14.18.3 membrane
-
 Methylococcus capsulatus 16020
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.14.18.3 copper contains 2.3 copper ions per 100 kDa protomer Methylocystis sp.
1.14.18.3 copper contains 20.8 copper ions per 100 kDa protomer Methylococcus capsulatus
1.14.18.3 copper contains 4.8 copper ions per 100 kDa protomer Methylosinus trichosporium
1.14.18.3 Zinc contains zinc Methylosinus trichosporium
1.14.18.3 Zinc contains zinc Methylocystis sp.
1.14.18.3 Zinc contains zinc Methylococcus capsulatus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.18.3 methane + reduced acceptor + H* + O2 Methylosinus trichosporium
-
 methanol + acceptor + H2O
-
 ?
1.14.18.3 methane + reduced acceptor + H* + O2 Methylocystis sp.
-
 methanol + acceptor + H2O
-
 ?
1.14.18.3 methane + reduced acceptor + H* + O2 Methylococcus capsulatus
-
 methanol + acceptor + H2O
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.14.18.3 Methylococcus capsulatus Q607G3 beta-subunit
-
1.14.18.3 Methylocystis sp.
-
-
-
1.14.18.3 Methylosinus trichosporium
-
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.14.18.3 0.003
-
 using propylene as substrate, pH and temperature not specified in the publication Methylosinus trichosporium
1.14.18.3 0.0053
-
 using propylene as substrate, pH and temperature not specified in the publication Methylocystis sp.
1.14.18.3 0.016
-
 using propylene as substrate, pH and temperature not specified in the publication Methylococcus capsulatus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.18.3 methane + reduced acceptor + H* + O2
-
 Methylosinus trichosporium methanol + acceptor + H2O
-
 ?
1.14.18.3 methane + reduced acceptor + H* + O2
-
 Methylocystis sp. methanol + acceptor + H2O
-
 ?
1.14.18.3 methane + reduced acceptor + H* + O2
-
 Methylococcus capsulatus methanol + acceptor + H2O
-
 ?
1.14.18.3 Mn2+ + H2O2
-
 Methylosinus trichosporium ?
-
 ?
1.14.18.3 Mn2+ + H2O2
-
 Methylocystis sp. ?
-
 ?
1.14.18.3 Mn2+ + H2O2
-
 Methylococcus capsulatus ?
-
 ?
1.14.18.3 n-butane + reduced acceptor + O2
-
 Methylosinus trichosporium 2-butanol + acceptor + H2O
-
 ?
1.14.18.3 n-butane + reduced acceptor + O2
-
 Methylocystis sp. 2-butanol + acceptor + H2O
-
 ?
1.14.18.3 n-butane + reduced acceptor + O2
-
 Methylococcus capsulatus 2-butanol + acceptor + H2O
-
 ?
1.14.18.3 n-pentane + reduced acceptor + O2
-
 Methylosinus trichosporium 2-pentanol + acceptor + H2O
-
 ?
1.14.18.3 n-pentane + reduced acceptor + O2
-
 Methylocystis sp. 2-pentanol + acceptor + H2O
-
 ?
1.14.18.3 n-pentane + reduced acceptor + O2
-
 Methylococcus capsulatus 2-pentanol + acceptor + H2O
-
 ?

Subunits

EC Number Subunits Comment Organism
1.14.18.3 heterotrimer
-
 Methylosinus trichosporium
1.14.18.3 heterotrimer
-
 Methylocystis sp.
1.14.18.3 heterotrimer
-
 Methylococcus capsulatus

Synonyms

EC Number Synonyms Comment Organism
1.14.18.3 particulate methane monooxygenase
-
 Methylosinus trichosporium
1.14.18.3 particulate methane monooxygenase
-
 Methylocystis sp.
1.14.18.3 particulate methane monooxygenase
-
 Methylococcus capsulatus
1.14.18.3 pMMO
-
 Methylosinus trichosporium
1.14.18.3 pMMO
-
 Methylocystis sp.
1.14.18.3 pMMO
-
 Methylococcus capsulatus

Cofactor

EC Number Cofactor Comment Organism Structure
1.14.18.3 NADH
-
 Methylosinus trichosporium
1.14.18.3 NADH
-
 Methylocystis sp.
1.14.18.3 NADH
-
 Methylococcus capsulatus
1.14.18.3 NADPH
-
 Methylosinus trichosporium
1.14.18.3 NADPH
-
 Methylocystis sp.
1.14.18.3 NADPH
-
 Methylococcus capsulatus