E199Q_torca-ACHE

General

Gene Locus : torca-ACHE

Mode of mutation : Site directed mutagenesis

Disease :

Summary : Acylation increases Km and Kss and reduces kcat Gibney_1990_Proc.Natl.Acad.Sci.U.S.A_87_7546 Radic_1992_Biochemistry_31_9760 Saxena_1993_Biochem.Biophys.Res.Commun_197_343 || Acylation,Phosphorylation Decreased affinity for reversible inhibitors and reduced rates of phosphorylation carbamylation Gibney_1990_Proc.Natl.Acad.Sci.U.S.A_87_7546 Radic_1992_Biochemistry_31_9760 Saxena_1993_Biochem.Biophys.Res.Commun_197_343 || Acylation,Phosphorylation resistant to aging Saxena_1993_Biochem.Biophys.Res.Commun_197_343 || Huperzine A 3-fold increase in KI value for the binding of Huperzine A Saxena_1994_Protein.Sci_3_1770

AAA Change :

Allelic Variant :

Risk Factor :

Inhibitor :

Structure :

Disease by interaction :

Interact Gene Locus :

Xenobiotic sensitivity :

Modification : Acylation,Phosphorylation

Torpedo_number : 199

Kinetic Parameter : No kinetic parameter

News : No news

Comment : p.Glu199Gln

References (6)

Title : Mutant acetylcholinesterases as potential detoxification agents for organophosphate poisoning - Saxena_1997_Biochem.Pharmacol_54_269
Author(s) : Saxena A , Maxwell DM , Quinn DM , Radic Z , Taylor P , Doctor BP
Ref : Biochemical Pharmacology , 54 :269 , 1997
Abstract : Saxena_1997_Biochem.Pharmacol_54_269
ESTHER : Saxena_1997_Biochem.Pharmacol_54_269
PubMedSearch : Saxena_1997_Biochem.Pharmacol_54_269
PubMedID: 9271331

Title : The Function of Electrostatics in Acetylcholinesterase Catalysis -
Author(s) : Quinn DM , Seravalli J , Nair HK , Medhekar R , Husseini B , Radic Z , Vellom DC , Pickering NA , Taylor P
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. :203 , 1995
PubMedID:

Title : Identification of amino acid residues involved in the binding of Huperzine A to cholinesterases - Saxena_1994_Protein.Sci_3_1770
Author(s) : Saxena A , Qian N , Kovach IM , Kozikowski AP , Pang YP , Vellom DC , Radic Z , Quinn DM , Taylor P , Doctor BP
Ref : Protein Science , 3 :1770 , 1994
Abstract : Saxena_1994_Protein.Sci_3_1770
ESTHER : Saxena_1994_Protein.Sci_3_1770
PubMedSearch : Saxena_1994_Protein.Sci_3_1770
PubMedID: 7849595

Title : The role of glutamate-199 in the aging of cholinesterase - Saxena_1993_Biochem.Biophys.Res.Commun_197_343
Author(s) : Saxena A , Doctor BP , Maxwell DM , Lenz DE , Radic Z , Taylor P
Ref : Biochemical & Biophysical Research Communications , 197 :343 , 1993
Abstract : Saxena_1993_Biochem.Biophys.Res.Commun_197_343
ESTHER : Saxena_1993_Biochem.Biophys.Res.Commun_197_343
PubMedSearch : Saxena_1993_Biochem.Biophys.Res.Commun_197_343
PubMedID: 7902714

Title : Expression of recombinant acetylcholinesterase in a baculovirus system: kinetic properties of glutamate 199 mutants - Radic_1992_Biochemistry_31_9760
Author(s) : Radic Z , Gibney G , Kawamoto S , MacPhee-Quigley K , Bongiorno C , Taylor P
Ref : Biochemistry , 31 :9760 , 1992
Abstract : Radic_1992_Biochemistry_31_9760
ESTHER : Radic_1992_Biochemistry_31_9760
PubMedSearch : Radic_1992_Biochemistry_31_9760
PubMedID: 1356436

Title : Mutagenesis of essential functional residues in acetylcholinesterase - Gibney_1990_Proc.Natl.Acad.Sci.U.S.A_87_7546
Author(s) : Gibney G , Camp S , Dionne M , MacPhee-Quigley K , Taylor P
Ref : Proceedings of the National Academy of Sciences of the United States of America , 87 :7546 , 1990
Abstract : Gibney_1990_Proc.Natl.Acad.Sci.U.S.A_87_7546
ESTHER : Gibney_1990_Proc.Natl.Acad.Sci.U.S.A_87_7546
PubMedSearch : Gibney_1990_Proc.Natl.Acad.Sci.U.S.A_87_7546
PubMedID: 2217185