Gene Locus : human-ACHE
Mode of mutation : Site directed mutagenesis
Disease :
Summary : Choline binding site cation-aromatic interaction, 660 fold decrease affinity for ACTh no effect on uncharged substrate Ordentlich_1995_J.Biol.Chem_270_2082 || Signal transduction Y133 maintains the correct orientation of W86 Shafferman_1995_5th.ChE.Meeting.Madras__189 Ordentlich_1995_J.Biol.Chem_270_2082
AAA Change :
Allelic Variant :
Risk Factor :
Inhibitor :
Structure :
Disease by interaction :
Interact Gene Locus :
Xenobiotic sensitivity :
Modification : Choline binding site || Signal transduction
Torpedo_number : 84
Kinetic Parameter : Acetylthiocholine_W86F_human-ACHE, 3,3-dimethylbutylthioacetate_W86F_human-ACHE, Edrophonium_W86F_human-ACHE, Propidium_W86F_human-ACHE, Decamethonium_W86F_human-ACHE, Tacrine_W86F_human-ACHE, HuperzineA_W86F_human-ACHE
News : No news
Comment :
p.W86F Trp86Phe (p.W117F Trp117Phe in primary sequence with 31 amino-acids signal peptide) Choline binding site\;cation-aromatic interaction, 660 fold decrease affinity for ACTh no effect on uncharged substrate\; Y133 maintains the correct orientation of W86
| Title : The 'aromatic patch' of three proximal residues in the human acetylcholinesterase active centre allows for versatile interaction modes with inhibitors - Ariel_1998_Biochem.J_335_95 |
| Author(s) : Ariel N , Ordentlich A , Barak D , Bino T , Velan B , Shafferman A |
| Ref : Biochemical Journal , 335 :95 , 1998 |
| Abstract : |
| PubMedSearch : Ariel_1998_Biochem.J_335_95 |
| PubMedID: 9742217 |
| Title : Aging of phosphylated human acetylcholinesterase: catalytic processes mediated by aromatic and polar residues of the active centre - Shafferman_1996_Biochem.J_318_833 |
| Author(s) : Shafferman A , Ordentlich A , Barak D , Stein D , Ariel N , Velan B |
| Ref : Biochemical Journal , 318 :833 , 1996 |
| Abstract : |
| PubMedSearch : Shafferman_1996_Biochem.J_318_833 |
| PubMedID: 8836126 |
| Title : Molecular Aspects of Catalysis and of Allosteric Regulation of Aceytlcholinesterases - |
| Author(s) : Shafferman A , Ordentlich A , Barak D , Kronman C , Ariel N , Leitner M , Segall Y , Bromberg A , Reuveny S , Marcus D , Bino T , Lazar A , Cohen S , Velan B |
| Ref : In Enzyme of the Cholinesterase Family - Proceedings of Fifth International Meeting on Cholinesterases , (Quinn, D.M., Balasubramanian, A.S., Doctor, B.P., Taylor, P., Eds) Plenum Publishing Corp. :189 , 1995 |
| PubMedID: |
| Title : Contribution of aromatic moieties of tyrosine 133 and of the anionic subsite tryptophan 86 to catalytic efficiency and allosteric modulation of acetylcholinesterase - Ordentlich_1995_J.Biol.Chem_270_2082 |
| Author(s) : Ordentlich A , Barak D , Kronman C , Ariel N , Segall Y , Velan B , Shafferman A |
| Ref : Journal of Biological Chemistry , 270 :2082 , 1995 |
| Abstract : |
| PubMedSearch : Ordentlich_1995_J.Biol.Chem_270_2082 |
| PubMedID: 7836436 |