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Literature summary extracted from

  • Koenneke, M.; Schubert, D.; Brown, P.; Huegler, M.; Standfest, S.; Schwander, T.; Schada Von Borzyskowski, L.; Erb, T.; Stahl, D.; Berg, I.
    Ammonia-oxidizing archaea use the most energy-efficient aerobic pathway for CO2 fixation (2014), Proc. Natl. Acad. Sci. USA, 111, 8239-8244 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
6.2.1.56 expression in Escherichia coli Nitrosopumilus maritimus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
6.2.1.56 0.16
-
CoA pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus
6.2.1.56 0.22
-
ATP pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus
6.2.1.56 0.37
-
4-hydroxybutanoate pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus
6.2.1.56 5
-
Butanoate pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
6.2.1.56 Mg2+ or Mn2+, required Nitrosopumilus maritimus
6.2.1.56 Mn2+ or Mg2+, required Nitrosopumilus maritimus
6.2.1.56 additional information not activating: Ni2+, Co2+, Ca2+ Nitrosopumilus maritimus

Organism

EC Number Organism UniProt Comment Textmining
6.2.1.56 Nitrosopumilus maritimus A9A1Y1
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.2.1.56 20
-
cell extract, pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6.2.1.56 ATP + 4-hydroxybutanoate + CoA
-
Nitrosopumilus maritimus ADP + phosphate + 4-hydroxybutanoyl-CoA
-
?
6.2.1.56 ATP + butanoate + CoA
-
Nitrosopumilus maritimus ADP + phosphate + butanoyl-CoA
-
?
6.2.1.56 additional information very poor substrates: acetate, propionate Nitrosopumilus maritimus ?
-
?

Subunits

EC Number Subunits Comment Organism
6.2.1.56 ? x * 76500, calculated from sequence Nitrosopumilus maritimus

Synonyms

EC Number Synonyms Comment Organism
6.2.1.56 4-hydroxybutyryl-CoA synthetase
-
Nitrosopumilus maritimus
6.2.1.56 Nmar_0206
-
Nitrosopumilus maritimus

General Information

EC Number General Information Comment Organism
6.2.1.56 physiological function the enzyme participates in a variant of the 3-hydroxypropanoate/4-hydroxybutanate CO2 fixation cycle Nitrosopumilus maritimus

kcat/KM [mM/s]

EC Number kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
6.2.1.56 0.16
-
Butanoate pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus
6.2.1.56 4.88
-
4-hydroxybutanoate pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus
6.2.1.56 9.96
-
ATP pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus
6.2.1.56 11.28
-
CoA pH not specified in the publication, temperature not specified in the publication Nitrosopumilus maritimus