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Literature summary for 2.3.1.6 extracted from

  • Polsky, R.; Shuster, L.
    Preparation and characterization of two isozymes of choline acetyltransferase from squid head ganglia. I. Purification and properties (1976), Biochim. Biophys. Acta, 445, 25-42.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
NaCl
-
Doryteuthis pealeii
NaCl
-
Doryteuthis opalescens

General Stability

General Stability Organism
bovine serum albumin stabilizes Doryteuthis pealeii
bovine serum albumin stabilizes Doryteuthis opalescens
EDTA stabilizes Doryteuthis pealeii
EDTA stabilizes Doryteuthis opalescens
sucrose stabilizes Doryteuthis pealeii
sucrose stabilizes Doryteuthis opalescens

Inhibitors

Inhibitors Comment Organism Structure
5,5'-dithiobis(2-nitrobenzoate)
-
Doryteuthis opalescens
5,5'-dithiobis(2-nitrobenzoate)
-
Doryteuthis pealeii
N-ethylmaleimide
-
Doryteuthis opalescens
N-ethylmaleimide
-
Doryteuthis pealeii
Phenylmethanesulfonylfluoride
-
Doryteuthis opalescens
Phenylmethanesulfonylfluoride
-
Doryteuthis pealeii
Reactive blue 2
-
Doryteuthis opalescens
Reactive blue 2
-
Doryteuthis pealeii

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0082 0.032 acetyl-CoA
-
Doryteuthis pealeii
4.4 19 choline
-
Doryteuthis pealeii

Organism

Organism UniProt Comment Textmining
Doryteuthis opalescens
-
squid
-
Doryteuthis pealeii
-
squid
-

Purification (Commentary)

Purification (Comment) Organism
2 isozymes Doryteuthis pealeii
2 isozymes Doryteuthis opalescens

Source Tissue

Source Tissue Comment Organism Textmining
ganglion head Doryteuthis pealeii
-
ganglion head Doryteuthis opalescens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Doryteuthis pealeii
additional information
-
-
Doryteuthis opalescens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-CoA + choline
-
Doryteuthis pealeii acetylcholine + CoA
-
?
acetyl-CoA + choline
-
Doryteuthis opalescens acetylcholine + CoA
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
37
-
60% sucrose, 1 mg/ml bovine serum albumin, 2 h stable Doryteuthis pealeii
37
-
60% sucrose, 1 mg/ml bovine serum albumin, 2 h stable Doryteuthis opalescens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
additional information
-
broad optimum in alkaline range Doryteuthis pealeii
additional information
-
broad optimum in alkaline range Doryteuthis opalescens