E197Q_human-BCHE

General

Gene Locus : human-BCHE

Mode of mutation : Site directed mutagenesis

Disease :

Summary : Phosphotriesterase activity Slow aging dealkylation Millard_1998_Biochemistry_37_237 || Substrate activation strongly reduced substrate activation Masson_2001_Biochim.Biophys.Acta_1544_166 || Aging E197Q increases half-life of aging by DFP 60 times Masson_1997_Biochem.J_327_601

AAA Change :

Allelic Variant :

Risk Factor :

Inhibitor :

Structure :

Disease by interaction :

Interact Gene Locus :

Xenobiotic sensitivity :

Modification : Search for phosphotriesterase activity || Substrate activation || Aging

Torpedo_number : 199

Kinetic Parameter : No kinetic parameter

News : No news

Comment : p.E197Q Glu197Gln (p.E225Q Glu225Gln in primary sequence with 28 amino-acids signal peptide) Slow aging dealkylation\; increases half-life of aging by DFP 60 times\; \;strongly reduced substrate activation

References (4)

Title : Effects of mutations of active site residues and amino acids interacting with the Omega loop on substrate activation of butyrylcholinesterase - Masson_2001_Biochim.Biophys.Acta_1544_166
Author(s) : Masson P , Xie W , Froment MT , Lockridge O
Ref : Biochimica & Biophysica Acta , 1544 :166 , 2001
Abstract : Masson_2001_Biochim.Biophys.Acta_1544_166
ESTHER : Masson_2001_Biochim.Biophys.Acta_1544_166
PubMedSearch : Masson_2001_Biochim.Biophys.Acta_1544_166
PubMedID: 11341926
Gene_locus related to this paper: human-BCHE

Title : Protein engineering of a human enzyme that hydrolyzes V and G nerve agents: design, construction and characterization - Broomfield_1999_Chem.Biol.Interact_119-120_413
Author(s) : Broomfield CA , Lockridge O , Millard CB
Ref : Chemico-Biological Interactions , 119-120 :413 , 1999
Abstract : Broomfield_1999_Chem.Biol.Interact_119-120_413
ESTHER : Broomfield_1999_Chem.Biol.Interact_119-120_413
PubMedSearch : Broomfield_1999_Chem.Biol.Interact_119-120_413
PubMedID: 10421478

Title : Organophosphorus acid anhydride hydrolase activity in human butyrylcholinesterase: synergy results in a somanase - Millard_1998_Biochemistry_37_237
Author(s) : Millard CB , Lockridge O , Broomfield CA
Ref : Biochemistry , 37 :237 , 1998
Abstract : Millard_1998_Biochemistry_37_237
ESTHER : Millard_1998_Biochemistry_37_237
PubMedSearch : Millard_1998_Biochemistry_37_237
PubMedID: 9425044
Gene_locus related to this paper: human-BCHE

Title : Aging of di-isopropyl-phosphorylated human butyrylcholinesterase - Masson_1997_Biochem.J_327_601
Author(s) : Masson P , Fortier PL , Albaret C , Froment MT , Bartels CF , Lockridge O
Ref : Biochemical Journal , 327 ( Pt 2) :601 , 1997
Abstract : Masson_1997_Biochem.J_327_601
ESTHER : Masson_1997_Biochem.J_327_601
PubMedSearch : Masson_1997_Biochem.J_327_601
PubMedID: 9359435