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Literature summary extracted from

  • Zhao, P.; Zhu, K.Y.; Jiang, H.
    Heterologous expression, purification, and biochemical characterization of a greenbug (Schizaphis graminum) acetylcholinesterase encoded by a paralogous gene (ace-1) (2010), J. Biochem. Mol. Toxicol., 24, 51-59.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.1.1.7 choline the activity gradually increases from 100% at 0.1 mM to around 120% at 10-20 mM Schizaphis graminum

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.1.1.7 expressed in recombinant baculovirus-infectes Sf 9 cells Schizaphis graminum

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.1.7 BW284c51
-
Schizaphis graminum
3.1.1.7 Carbaryl
-
Schizaphis graminum
3.1.1.7 choline the activity decreases to 40% at 200 mM Schizaphis graminum
3.1.1.7 ethopropazine
-
Schizaphis graminum
3.1.1.7 malaoxon
-
Schizaphis graminum
3.1.1.7 paraoxon
-
Schizaphis graminum
3.1.1.7 serine
-
Schizaphis graminum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.1.7 0.0689
-
propionylthiocholine iodide pH and temperature not specified in the publication Schizaphis graminum
3.1.1.7 0.0883
-
acetylthiocholine iodide pH and temperature not specified in the publication Schizaphis graminum
3.1.1.7 0.1139
-
acetyl(beta-methyl)thiocholine iodide pH and temperature not specified in the publication Schizaphis graminum
3.1.1.7 0.2011
-
(S)-butyrylthiocholine iodide pH and temperature not specified in the publication Schizaphis graminum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.1.7 64597
-
2 * 64597, calculated from amino acid sequence Schizaphis graminum
3.1.1.7 70000
-
2 * 70000, SDS-PAGE Schizaphis graminum
3.1.1.7 130000
-
nonreducing PAGE Schizaphis graminum

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.7 Schizaphis graminum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.1.7 dextran sulfate-Sepharose column chromatography and Ni-NTA column chromatography Schizaphis graminum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.7 acetyl(beta-methyl)thiocholine iodide + H2O
-
Schizaphis graminum 1-methyl(thio)choline iodide + acetate
-
?
3.1.1.7 acetylthiocholine iodide + H2O
-
Schizaphis graminum thiocholine iodide + acetate
-
?
3.1.1.7 propionylthiocholine iodide + H2O
-
Schizaphis graminum thiocholine iodide + propionate
-
?
3.1.1.7 S-butyrylthiocholine iodide + H2O
-
Schizaphis graminum thiocholine iodide + butyrate
-
?

Subunits

EC Number Subunits Comment Organism
3.1.1.7 homodimer 2 * 70000, SDS-PAGE Schizaphis graminum
3.1.1.7 homodimer 2 * 64597, calculated from amino acid sequence Schizaphis graminum

Synonyms

EC Number Synonyms Comment Organism
3.1.1.7 ACE-1
-
Schizaphis graminum
3.1.1.7 acetylcholinesterase-1
-
Schizaphis graminum
3.1.1.7 AChE1
-
Schizaphis graminum

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.1.1.7 5 25
-
Schizaphis graminum

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
3.1.1.7 0.00000883
-
(S)-butyrylthiocholine iodide pH and temperature not specified in the publication Schizaphis graminum
3.1.1.7 0.0000825
-
propionylthiocholine iodide pH and temperature not specified in the publication Schizaphis graminum
3.1.1.7 0.000143
-
acetylthiocholine iodide pH and temperature not specified in the publication Schizaphis graminum
3.1.1.7 0.000146
-
acetyl(beta-methyl)thiocholine iodide pH and temperature not specified in the publication Schizaphis graminum

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.1.1.7 4 7
-
Schizaphis graminum

IC50 Value

EC Number IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
3.1.1.7 0.000016
-
pH and temperature not specified in the publication Schizaphis graminum paraoxon
3.1.1.7 0.000061
-
pH and temperature not specified in the publication Schizaphis graminum malaoxon
3.1.1.7 0.0002
-
pH and temperature not specified in the publication Schizaphis graminum serine
3.1.1.7 0.00094
-
pH and temperature not specified in the publication Schizaphis graminum Carbaryl
3.1.1.7 0.00166
-
pH and temperature not specified in the publication Schizaphis graminum BW284c51
3.1.1.7 0.102
-
pH and temperature not specified in the publication Schizaphis graminum ethopropazine