W286A_human-ACHE

General

Gene Locus : human-ACHE

Mode of mutation : Site directed mutagenesis

Disease :

Summary : Peripheral Anionic Site Substrate inhibition 10 fold increase of inhibition K for PAS ligands Shafferman_1992_EMBO.J_11_3561 Shafferman_1992_4th.ChE.Meeting.Eilat__165 Ordentlich_1993_J.Biol.Chem_268_17083 Shafferman_1993_Proc.Med.Def.Biosci.Rev_3_1097 Ashani_1994_Mol.Pharmacol_45_555 Barak_1994_J.Biol.Chem_269_6296 Shafferman_1995_5th.ChE.Meeting.Madras__189 || Acyl specificity replacement of aromatic active center residues in human-ACHE by the corresponding residues in human-BCHE Kaplan_2001_Biochemistry_40_7433

AAA Change :

Allelic Variant :

Risk Factor :

Inhibitor :

Structure :

Disease by interaction :

Interact Gene Locus :

Xenobiotic sensitivity :

Modification : Peripheral Anionic Site || Substrate inhibition || Acyl specificity

Torpedo_number : 279

Kinetic Parameter : Edrophonium_W286A_human-ACHE, Paranitrophenylacetate_W286A_human-ACHE, S-N-Propylthioacetate_W286A_human-ACHE, 3,3-dimethylbutylthioacetate_W286A_human-ACHE, Acetylthiocholine_W286A_human-ACHE, Hexamethonium_W286A_human-ACHE, BW284C51_W286A_human-ACHE, Propidium_W286A_human-ACHE, Decamethonium_W286A_human-ACHE, Tacrine_W286A_human-ACHE, HuperzineA_W286A_human-ACHE, Butyrylthiocholine_W286A_human-ACHE

News : No news

Comment : p.W286A Trp286Ala (p.W317A Trp317Ala in primary sequence with 31 amino-acids signal peptide) Peripheral Anionic Site Substrate inhibition\;10 fold increase of inhibition K for PAS ligands\; Acyl specificity\;replacement of aromatic active center residues in human-ACHE by the corresponding residues in human-BCHE

References (10)

Title : Oxime-assisted reactivation of tabun-inhibited acetylcholinesterase analysed by active site mutations - Katalinic_2018_Toxicology_406-407_104
Author(s) : Katalinic M , Sinko G , Macek Hrvat N , Zorbaz T , Bosak A , Kovarik Z
Ref : Toxicology , 406-407 :104 , 2018
Abstract : Katalinic_2018_Toxicology_406-407_104
ESTHER : Katalinic_2018_Toxicology_406-407_104
PubMedSearch : Katalinic_2018_Toxicology_406-407_104
PubMedID: 29772260

Title : Does butyrylization of acetylcholinesterase through substitution of the six divergent aromatic amino acids in the active center gorge generate an enzyme mimic of butyrylcholinesterase? - Kaplan_2001_Biochemistry_40_7433
Author(s) : Kaplan D , Ordentlich A , Barak D , Ariel N , Kronman C , Velan B , Shafferman A
Ref : Biochemistry , 40 :7433 , 2001
Abstract : Kaplan_2001_Biochemistry_40_7433
ESTHER : Kaplan_2001_Biochemistry_40_7433
PubMedSearch : Kaplan_2001_Biochemistry_40_7433
PubMedID: 11412096

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 : Ariel_1998_Biochem.J_335_95
ESTHER : Ariel_1998_Biochem.J_335_95
PubMedSearch : Ariel_1998_Biochem.J_335_95
PubMedID: 9742217

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 : Acetylcholinesterase peripheral anionic site degeneracy conferred by amino acid arrays sharing a common core - Barak_1994_J.Biol.Chem_269_6296
Author(s) : Barak D , Kronman C , Ordentlich A , Ariel N , Bromberg A , Marcus D , Lazar A , Velan B , Shafferman A
Ref : Journal of Biological Chemistry , 269 :6296 , 1994
Abstract : Barak_1994_J.Biol.Chem_269_6296
ESTHER : Barak_1994_J.Biol.Chem_269_6296
PubMedSearch : Barak_1994_J.Biol.Chem_269_6296
PubMedID: 8119978

Title : Role of tyrosine 337 in the binding of huperzine A to the active site of human acetylcholinesterase - Ashani_1994_Mol.Pharmacol_45_555
Author(s) : Ashani Y , Grunwald J , Kronman C , Velan B , Shafferman A
Ref : Molecular Pharmacology , 45 :555 , 1994
Abstract : Ashani_1994_Mol.Pharmacol_45_555
ESTHER : Ashani_1994_Mol.Pharmacol_45_555
PubMedSearch : Ashani_1994_Mol.Pharmacol_45_555
PubMedID: 8145739
Gene_locus related to this paper: human-ACHE

Title : Recombinant human acetylcholinesterase - Enzyme engineering -
Author(s) : Shafferman A , Velan B , Barak D , Kronman C , Ordentlich A , Flashner Y , Leitner M , Segal Y , Grosfeld H , Stein D , Ariel N
Ref : Medical Defense Bioscience Review , 3 :1097 , 1993
PubMedID:

Title : Dissection of the human acetylcholinesterase active center determinants of substrate specificity. Identification of residues constituting the anionic site, the hydrophobic site, and the acyl pocket - Ordentlich_1993_J.Biol.Chem_268_17083
Author(s) : Ordentlich A , Barak D , Kronman C , Flashner Y , Leitner M , Segall Y , Ariel N , Cohen S , Velan B , Shafferman A
Ref : Journal of Biological Chemistry , 268 :17083 , 1993
Abstract : Ordentlich_1993_J.Biol.Chem_268_17083
ESTHER : Ordentlich_1993_J.Biol.Chem_268_17083
PubMedSearch : Ordentlich_1993_J.Biol.Chem_268_17083
PubMedID: 8349597
Gene_locus related to this paper: human-ACHE , human-BCHE

Title : Substrate inhibition of acetylcholinesterase: residues affecting signal transduction from the surface to the catalytic center - Shafferman_1992_EMBO.J_11_3561
Author(s) : Shafferman A , Velan B , Ordentlich A , Kronman C , Grosfeld H , Leitner M , Flashner Y , Cohen S , Barak D , Ariel N
Ref : EMBO Journal , 11 :3561 , 1992
Abstract : Shafferman_1992_EMBO.J_11_3561
ESTHER : Shafferman_1992_EMBO.J_11_3561
PubMedSearch : Shafferman_1992_EMBO.J_11_3561
PubMedID: 1396557

Title : Acetylcholinesterase Catalysis - Protein Engineering Studies -
Author(s) : Shafferman A , Velan B
Ref : In Multidisciplinary approaches to cholinesterase functions - Proceedings of Fourth International Meeting on Cholinesterases , (Shafferman, A. and Velan, B., Eds) Plenum Press, New York :165 , 1992
PubMedID: