Teerapat Rojsajjakul

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Genetic evidence suggests that the Schistosoma mansoni genome contains six genes that encode α1,3-fucosyltransferases (smFuTs). To date, the activities and specificities of these putative fucosyltransferases are unknown. As Schistosoma express a variety of fucosylated glycans, including the Lewis X antigen Galβ1-4(Fucα1-3)GlcNAcβ-R, it is likely that this(More)
The urea-induced unfolding of the alpha subunit of tryptophan synthase (alphaTS) from Escherichia coli, an eight-stranded (beta/alpha)(8) TIM barrel protein, has been shown to involve two stable equilibrium intermediates, I1 and I2, well populated at approximately 3 M and 5 M urea, respectively. The characterization of the I1 intermediate by circular(More)
The proposed kinetic folding mechanism of the alpha-subunit of tryptophan synthase (alphaTS), a TIM barrel protein, displays multiple unfolded and intermediate forms which fold through four parallel pathways to reach the native state. To obtain insight into the secondary structure that stabilizes a set of late, highly populated kinetic intermediates, the(More)
MOTIVATION The goal of deciphering the human glycome has been hindered by the lack of high-throughput sequencing methods for glycans. Although mass spectrometry (MS) is a key technology in glycan sequencing, MS alone provides limited information about the identification of monosaccharide constituents, their anomericity and their linkages. These features of(More)
Synthesis, crystallography, and magnetic characterization of a stable macrocyclic tetranitroxide 1, a calix[4]arene, which is functionalized with four tert-butylnitroxides at the upper rim, is described. In solution, 1 has a 4-fold symmetric fixed cone conformation on the NMR time scale and small, but nonnegligible, exchange interactions between the(More)
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