Article
Cloning and characterization of Thermotoga maritima beta-glucuronidase.
Carbohydrate research - 16 Jan 2006
Salleh Hamzah M, Müllegger Johannes, Reid Stephen P, Chan Wing Y, Hwang Jiyoung, Warren R Antony J, Withers Stephen G
Abstract excerpt
The putative beta-glucuronidase from Thermotoga maritima, comprising 563 amino acid residues conjugated with a Hisx6 tag, was cloned and expressed in Escherichia coli. The enzyme has a moderately broad specificity, hydrolysing a range of p-nitrophenyl glycoside substrates, but has greatest activity on p-nitrophenyl beta-D-glucosiduronic acid (kcat=68 s(-1), kcat/K(M)= 4.5x10(5) M(-1) s(-1)). The enzyme also shows...
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