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Mutation Report for: W82A_human-BCHE

Mode of mutation|Site directed mutagenesis
Amino Acid change|W82A
Torpedo number|84
Comment|p.W82A Trp82Ala (p.W110A Trp110Ala in primary sequence with 28 amino-acids signal peptide) No binding of succinylthiocholine Aging: W82A increases half-life of aging by DFP 13 times, Aricept~Donepezil~E2020 inhibition: no inhibition at >120uM
Kinetic parameters|none

    Title: Aromatic amino-acid residues at the active and peripheral anionic sites control the binding of E2020 (Aricept) to cholinesterases
    Saxena A, Fedorko JM, Vinayaka CR, Medhekar R, Radic Z, Taylor P, Lockridge O, Doctor BP
    Ref: European Journal of Biochemistry, 270:4447, 2003 : PubMed


    Title: Concentration-dependent reversible activation-inhibition of human butyrylcholinesterase by tetraethylammonium ion
    Stojan J, Golicnik M, Froment MT, Estour F, Masson P
    Ref: European Journal of Biochemistry, 269:1154, 2002 : PubMed


    Title: Effects of mutations of active site residues and amino acids interacting with the Omega loop on substrate activation of butyrylcholinesterase
    Masson P, Xie W, Froment MT, Lockridge O
    Ref: Biochimica & Biophysica Acta, 1544:166, 2001 : PubMed


    Title: Aging of di-isopropyl-phosphorylated human butyrylcholinesterase
    Masson P, Fortier PL, Albaret C, Froment MT, Bartels CF, Lockridge O
    Ref: Biochemical Journal, 327 ( Pt 2):601, 1997 : PubMed


    Title: Role of aspartate 70 and tryptophan 82 in binding of succinyldithiocholine to human butyrylcholinesterase
    Masson P, Legrand P, Bartels CF, Froment MT, Schopfer LM, Lockridge O
    Ref: Biochemistry, 36:2266, 1997 : PubMed


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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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