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Literature summary for 1.14.13.22 extracted from

  • Cheesman, M.J.; Byron Kneller, M.; Rettie, A.E.
    Critical role of histidine residues in cyclohexanone monooxygenase expression, cofactor binding and catalysis (2003), Chem. Biol. Interact., 146, 157-164.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli Acinetobacter sp.

Protein Variants

Protein Variants Comment Organism
H113Q only minor effects on activity Acinetobacter sp.
H162Q only minor effects on activity Acinetobacter sp.
H163Q 10fold lower turnover, doubling of Km Acinetobacter sp.
H200Q only minor effects on activity Acinetobacter sp.
H522Q only minor effects on activity Acinetobacter sp.
H59Q not expressed at significant levels Acinetobacter sp.
H96Q greatly reduced FAD content, reduced activity Acinetobacter sp.

Inhibitors

Inhibitors Comment Organism Structure
diethyl dicarbonate complete inhibition Acinetobacter sp.

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Acinetobacter sp.
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
61600
-
mass spectrometry Acinetobacter sp.

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
cyclohexanone + NADPH + O2 Acinetobacter sp.
-
hexano-6-lactone + NADP+ + H2O
-
?

Organism

Organism UniProt Comment Textmining
Acinetobacter sp.
-
NCIB 9871
-

Purification (Commentary)

Purification (Comment) Organism
recombinant protein Acinetobacter sp.

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.4
-
H163Q mutant enzyme Acinetobacter sp.
5.4
-
H96Q mutant enzyme Acinetobacter sp.
15.9
-
wild type enzyme Acinetobacter sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cyclohexanone + NADPH + O2
-
Acinetobacter sp. hexano-6-lactone + NADP+ + H2O
-
?

Synonyms

Synonyms Comment Organism
cyclohexanone:NADPH:oxygen oxidoreductase (lactone-forming)
-
Acinetobacter sp.

Cofactor

Cofactor Comment Organism Structure
FAD
-
Acinetobacter sp.
NADPH
-
Acinetobacter sp.