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Literature summary for 3.1.1.7 extracted from

  • Shaonan, L.; Xianchuan, X.; Guonian, Z.; Yajun, T.
    Kinetic characters and resistance to inhibition of crude and purified brain acetylcholinesterase of three freshwater fishes by organophosphates (2004), Aquat. Toxicol., 68, 293-299.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Acetylcholine substrate inhibition above 1 mM Carassius auratus auratus
Acetylcholine substrate inhibition above 1 mM, less pronounced than in Pseudorasbora parva or Carassius auratus auratus Oncorhynchus mykiss
Acetylcholine substrate inhibition above 1 mM Pseudorasbora parva
oxidized malathion 50% inhibition at 0.216 mM Carassius auratus auratus
oxidized malathion 50% inhibition at 0.203 mM Oncorhynchus mykiss
oxidized malathion 50% inhibition at 0.248 mM Pseudorasbora parva
oxidized triazophos 50% inhibition at 0.043 mM Carassius auratus auratus
oxidized triazophos 50% inhibition at 0.036 mM Oncorhynchus mykiss
oxidized triazophos 50% inhibition at 0.043 mM Pseudorasbora parva

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.11
-
Acetylcholine pH 8.1, 30°C Pseudorasbora parva
0.114
-
Acetylcholine pH 8.1, 30°C Oncorhynchus mykiss
0.12
-
Acetylcholine pH 8.1, 30°C Carassius auratus auratus

Organism

Organism UniProt Comment Textmining
Carassius auratus auratus
-
-
-
Oncorhynchus mykiss
-
-
-
Pseudorasbora parva
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Oncorhynchus mykiss
-
Pseudorasbora parva
-
Carassius auratus auratus

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Oncorhynchus mykiss
-
brain
-
Pseudorasbora parva
-
brain
-
Carassius auratus auratus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
187
-
pH 8.1, 30°C Oncorhynchus mykiss
224.1
-
pH 8.1, 30°C Carassius auratus auratus
236.2
-
pH 8.1, 30°C Pseudorasbora parva

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetylcholine + H2O
-
Oncorhynchus mykiss choline + acetate
-
?
acetylcholine + H2O
-
Pseudorasbora parva choline + acetate
-
?
acetylcholine + H2O
-
Carassius auratus auratus choline + acetate
-
?