Synonym: AChE, Acetylcholine acetylhydrolase, Cholinesterase, Acetyl
CAS Number 9000-81-1
EC Number 232-559-3
MDL number MFCD00081268
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| Related Categories | 3.1.x.x Acting on esters, 3.x.x.x Hydrolases, Biochemicals and Reagents, Enzyme Class Index, Enzymes, Inhibitors, and Substrates, |
| type | Type VI-S |
| form | lyophilized powder |
| composition | Protein, ≥60% biuret |
| storage temp. | −20°C |
The activity obtained using acetylcholine as substrate is 30-100 times that obtained with butyrylcholine, using acetylcholinesterase from electric eel.
Major degradative enzyme for acetylcholine in vivo. Converts acetylcholine + H2O to choline + acetic acid.
One unit will hydrolyze 1.0 μmole of acetylcholine to choline and acetate per min at pH 8.0 at 37 °C.
Lyophilized powder containing Tris buffer salts
Molecular Weight: 280 kDa
Isoelectric Point: 5.5
Extinction Coefficient: E1% = 18.0 (280 nm)
Acetylcholinesterase from Electrophorus electricus is a tetramer composed of 4 equal subunits of 70 kDa each. Each subunit contains one active site. The enzyme is a glycoprotein containing hexosamines.
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