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Literature summary for 3.1.2.2 extracted from

  • Barnes jr., E.M.
    Long-chain fatty acyl thioesterases I and II from Escherichia coli (1975), Methods Enzymol., 35, 102-109.
    View publication on PubMed

General Stability

General Stability Organism
bovine serum albumin stabilizes Escherichia coli

Inhibitors

Inhibitors Comment Organism Structure
diisopropylfluorophosphate 1 mM DFP at 40 min at 25°C produces a 95% inhibition at palmityl thioesterase I Escherichia coli
PMSF less effective than DFP, produces a 27% loss of activity under similar conditions Escherichia coli

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
20000
-
-
Escherichia coli
20000 23000 gel filtration Escherichia coli
90000
-
gel filtration, palmityl thioesterase II Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
palmitoyl-CoA + H2O Escherichia coli
-
CoA + palmitate
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-

Purification (Commentary)

Purification (Comment) Organism
20fold, palmityl thioesterase II, palmityl thioesterase I Escherichia coli
260fold Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.7
-
-
Escherichia coli

Storage Stability

Storage Stability Organism
-20°C over 1 month Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dodecanoyl-CoA + H2O i.e. lauroyl-CoA Escherichia coli CoA + dodecanoate
-
?
hexadecanoyl-CoA + H2O i.e. palmitoyl-CoA Escherichia coli CoA + hexadecanoate
-
ir
octadecanoyl-CoA + H2O i.e. stearoyl-CoA Escherichia coli CoA + octadecanoate
-
?
oleoyl-CoA + H2O
-
Escherichia coli CoA + oleate
-
?
palmitoleoyl-CoA + H2O
-
Escherichia coli CoA + palmitoleoate
-
?
palmitoyl-CoA + H2O
-
Escherichia coli CoA + palmitate
-
?
tetradecanoyl-CoA + H2O i.e. myristoyl-CoA Escherichia coli CoA + tetradecanoate
-
?
vaccenoyl-CoA + H2O cis-isomer Escherichia coli CoA + vaccenoate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
-
Escherichia coli

pH Range

pH Minimum pH Maximum Comment Organism
7 8.5
-
Escherichia coli