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Literature summary for 1.1.99.1 extracted from

  • Gadda, G.; McAllister-Wilkins, E.E.
    Cloning, expression, and purification of choline dehydrogenase from the moderate halophile Halomonas elongata (2003), Appl. Environ. Microbiol., 69, 2126-2132.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli OrigamiB(DE3)pLysS Halomonas elongata

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
choline + 2 acceptor + H2O Halomonas elongata four electron oxidation with betaine aldehyde as intermediate, provides glycine-betaine as compatible solute glycine-betaine + 2 reduced acceptor + H+
-
?

Organism

Organism UniProt Comment Textmining
Halomonas elongata
-
halophil
-

Purification (Commentary)

Purification (Comment) Organism
partial Halomonas elongata

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.8
-
purified enzyme, pH 7.0, 25°C Halomonas elongata

Storage Stability

Storage Stability Organism
-20°C, phosphate buffer, pH 7.0, 2 M sorbitol, 20% glycerol Halomonas elongata

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
betaine aldehyde + phenazine methosulfate
-
Halomonas elongata glycine-betaine + ?
-
?
choline + 2 acceptor + H2O four electron oxidation with betaine aldehyde as intermediate, provides glycine-betaine as compatible solute Halomonas elongata glycine-betaine + 2 reduced acceptor + H+
-
?
choline + 2 acceptor + H2O four electron oxidation with betaine aldehyde as intermediate Halomonas elongata glycine-betaine + 2 reduced acceptor + H+
-
?
choline + acceptor + phenazine methosulfate
-
Halomonas elongata betaine aldehyde + ?
-
?

Cofactor

Cofactor Comment Organism Structure
additional information FAD and pyrroloquinoline quinone has no effect on activity Halomonas elongata