Torpedo_number
Kinetic parameters
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Kinetic parameters for torpedo number 527 for human-BCHE

Substrates: Benzoylcholine, Butyrylthiocholine, O-Nitrophenylbutyrate

Inhibitors:

Substrates

Substrate: Benzoylcholine
EnzymeKmKcatExp. conditionsReference
F525X 5 & 0.6 uM 13000 & 600 /min 100mM K phosphate pH7.0 T25C Blong_1997_Biochem.J_327_747
WT 8 & 1 uM 15000 & 700 /min 100mM K phosphate pH7.0 T25C Blong_1997_Biochem.J_327_747
WT 4 uM 15000 /min   Lockridge_1990_Pharmacol.Ther_47_35

Substrate: Butyrylthiocholine
EnzymeKmKcatExp. conditionsReference
F525X 9 & 0.6 uM 24000 & 10000 /min 100mM K phosphate pH7.0 T25C Blong_1997_Biochem.J_327_747
WT 7 & 0.7 uM 24000 & 10000 /min 100mM K phosphate pH7.0 T25C Blong_1997_Biochem.J_327_747
WT 2.2 mM - 100mM Na phosphate pH7.4 T22C Gnatt_1994_J.Neurochem_62_749
WT 0.05 mM 1.1 10+5 /min IS 50mM phosphate pH8 T27C Kaplan_2001_Biochemistry_40_7433
WT 2.8 & 0.7 mM 98000 & 33000 /min 50mM NaPhosphate pH7.4 Loewenstein-Lichtenstein_1996_Mol.Pharmacol_50_1423

Substrate: O-Nitrophenylbutyrate
EnzymeKmKcatExp. conditionsReference
F525X 80 & 10 uM 36000 & 5000 /min 100mM K phosphate pH7.0 T25C Blong_1997_Biochem.J_327_747
WT 110 & 20 uM 36000 & 5000 /min 100mM K phosphate pH7.0 T25C Blong_1997_Biochem.J_327_747
WT 330 uM 48000 /min   Lockridge_1990_Pharmacol.Ther_47_35


Inhibitors

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Mail to: Nicolas Lenfant, Thierry Hotelier, Yves Bourne, Pascale Marchot and Arnaud Chatonnet.
Please cite: Lenfant 2013 Nucleic.Acids.Res. or Marchot Chatonnet 2012 Prot.Pept Lett.
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