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Enzyme Research

Study data from M.J. Selig et al provide new insights into enzyme research

Published in Medical Device Business Week, May 28th, 2008

"The gene encoding a glycosyl hydrolase family 3 xylan 1,4-beta-xylosidase, xlnD, was successfully cloned from Aspergillus niger strain ATCC 10864. The recombinant product was expressed in Aspergillus awamori, purified by column chromatography, and verified by matrix-assisted laser desorption ionization, tandem time of flight (MALDI-TOF/TOF) mass spectroscopy of tryptic digests," investigators in the United States report.

"The T (max) was determined using differential scanning microcalorimetry (DSC) to be 78.2 degrees C; the K (m) and k (cat) were found to be 255 mc M and 13.7 s(-1), respectively, using pNP-beta-D-xylopyranoside as substrate. End-product inhibition by...

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