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Literature summary for 4.1.1.60 extracted from

  • Bentley, R.; Thiessen, C.P.
    Biosynthesis of tropolones in Penicillium stipitatum (1963), J. Biol. Chem., 238, 3811-3816.
    View publication on PubMed

General Stability

General Stability Organism
loss of activity after dialysis. Mn2+ and Zn2+ restore activity Talaromyces stipitatus

Inhibitors

Inhibitors Comment Organism Structure
5-Hydroxytropolone-3,4-dicarboxylic acid
-
Talaromyces stipitatus
6-Hydroxytropolone-3,4-dicarboxylic acid
-
Talaromyces stipitatus
7-Hydroxytropolone-3,4-dicarboxylic acid
-
Talaromyces stipitatus
EDTA
-
Talaromyces stipitatus
Hg2+
-
Talaromyces stipitatus
Mn2+ slightly Talaromyces stipitatus
Tropolone-3,4-dicarboxylic acid
-
Talaromyces stipitatus

Metals/Ions

Metals/Ions Comment Organism Structure
Mn2+ restores activity after dialysis Talaromyces stipitatus
Zn2+ restores activity after dialysis Talaromyces stipitatus

Organism

Organism UniProt Comment Textmining
Talaromyces stipitatus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Talaromyces stipitatus

Source Tissue

Source Tissue Comment Organism Textmining
mycelium
-
Talaromyces stipitatus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Talaromyces stipitatus

Storage Stability

Storage Stability Organism
stable for several months in frozen state Talaromyces stipitatus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information no activity with: tropolone-3,4-dicarboxylic acid, 5-, 6-, 7-hydroxy derivatives of tropolone-3,4-dicarboxylic acid Talaromyces stipitatus ?
-
?
Puberulonic acid
-
Talaromyces stipitatus ?
-
?
Stipitatonate
-
Talaromyces stipitatus Stipitate + CO2
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.6
-
-
Talaromyces stipitatus

pH Range

pH Minimum pH Maximum Comment Organism
5.6 7 about 65% of maximal activity at pH 5.6 and at pH 7.0 Talaromyces stipitatus