Acceptor substrate specificity of UDP-Gal: GlcNAc-R β1,3-galactosyltransferase (WbbD) from Escherichia coli O7:K1

2008 ◽  
Vol 25 (7) ◽  
Author(s):  
Inka Brockhausen ◽  
John G. Riley ◽  
Meileen Joynt ◽  
Xiaojing Yang ◽  
Walter A. Szarek
Keyword(s):  
Escherichia Coli ◽  
Substrate Specificity ◽  
Acceptor Substrate

Synthesis of γ-L-Glutamylalkylamides Catalyzed by Escherichia coli Having γ-Glutamyltranspeptidase Activity

2012 ◽  
Vol 550-553 ◽  
pp. 1177-1181
Author(s):  
Fei Zhang ◽  
Yin Liu ◽  
Pei Xin He
Keyword(s):  
Escherichia Coli ◽  
Substrate Specificity ◽  
Conversion Rate ◽  
Medicinal Value

γ-L-glutamyl alkylamines have potential medicinal value. In this research, five different γ-L-glutamyl alkylamines were synthesized. The result showed that substrate specificity of alkylamines, from high to low, is methylamine, ethylamine, n-propylamine, isopropylamine and n-butylamine. The reaction was optimal at pH 9.5 and 45°C, and the optimal substrate mole ratio of L-glutamine to alkylamine was 1:3 (mol/mol).Under these conditions, conversion rate of L-glutamine is about 90% (mol/mol)．

scholarly journals Escherichia coli RNase D. Catalytic properties and substrate specificity.

1981 ◽  
Vol 256 (11) ◽  
pp. 5633-5637 ◽  
Author(s):  
H. Cudny ◽  
R. Zaniewski ◽  
M.P. Deutscher
Keyword(s):  
Escherichia Coli ◽  
Substrate Specificity ◽  
Catalytic Properties

scholarly journals Altering the substrate specificity of the Escherichia coli E1 Component of the 2‐Oxoglutarate Dehydrogenase Multienzyme Complex

2010 ◽  
Vol 24 (S1) ◽  
Author(s):  
Da Jeong Shim ◽  
Natalia S. Nemeria ◽  
Anand Balakrishnan ◽  
Frank Jordan ◽  
Edgardo T. Farinas
Keyword(s):  
Escherichia Coli ◽  
Substrate Specificity ◽  
Multienzyme Complex ◽  
Oxoglutarate Dehydrogenase
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