Chan-Su Rha

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An enzyme reactor installed with ultrafiltration membrane was developed to produce alpha-, beta-, and gamma-cyclodextrins (CDs) from soluble starch by Bacillus macerans cyclodextrin glycosyltransferase (CGTase) tagged with 10 lysines at its C-terminus (CGTK10ase). Ultrafiltration membrane YM10 with 10,000 of molecular cutoff was chosen for membrane(More)
Fusion proteins with charged polycationic amino acid tails were constructed for the purpose of simple ion-exchange purification with high purity. A number of positively charged lysine and arginine tails were fused to the C-terminus of cyclodextrin glycosyltransferase (CGTase) derived from Bacillus macerans and expressed in Escherichia coli. The ionic(More)
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