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Literature summary for 1.1.1.340 extracted from

  • You, Z.; Omura, S.; Ikeda, H.; Cane, D.E.
    Pentalenolactone biosynthesis: Molecular cloning and assignment of biochemical function to PtlF, a short-chain dehydrogenase from Streptomyces avermitilis, and identification of a new biosynthetic intermediate (2007), Arch. Biochem. Biophys., 459, 233-240.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Streptomyces avermitilis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0065
-
1-deoxy-11beta-hydroxypentalenic acid pH 8.0, 22°C Streptomyces avermitilis
0.025
-
NAD+ pH 8.0, 22°C Streptomyces avermitilis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
30183
-
x * 30183, MALDI-TOF, recombinant protein including His-tag Streptomyces avermitilis

Organism

Organism UniProt Comment Textmining
Streptomyces avermitilis Q82IY9
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-deoxy-11beta-hydroxypentalenic acid + NAD+
-
Streptomyces avermitilis 1-deoxy-11-oxopentalenic acid + NADH + H+
-
?

Subunits

Subunits Comment Organism
? x * 30183, MALDI-TOF, recombinant protein including His-tag Streptomyces avermitilis

Synonyms

Synonyms Comment Organism
ptlF
-
Streptomyces avermitilis
SAV_2933 locus name Streptomyces avermitilis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.65
-
1-deoxy-11beta-hydroxypentalenic acid pH 8.0, 22°C Streptomyces avermitilis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
and second maximum at pH 11.3 Streptomyces avermitilis
11.3
-
activity increases from pH 9.0 to pH 11.3, and is 12fold higher at pH 11.3 than at pH 8.0 Streptomyces avermitilis

Cofactor

Cofactor Comment Organism Structure
NAD+ 150fold preference for NAD+ over NADP+ Streptomyces avermitilis
NADP+ 150fold preference for NAD+ over NADP+ Streptomyces avermitilis