Biology; Chemistry and chemical biology; Chemical and biological engineering; Biomedical engineering
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Production of a low molecular weight heparin using recombinant unsaturated glycuronidase, G. Sua, L. Lia, W. Zhong, F. Zhang, R.J. Linhardt, Carbohydrate Polymers, 134, 151–157, 2015.
The Δ4,5 unsaturated uronate (4-deoxy-α-l-threo-hex-4-eno-pyranosyluronic acid) residue is produced through the depolymerization of heparin, heparosan, and heparan sulfate with heparin lyases. The recovery of unsaturated uronate containing products is necessary to prepare low molecular weight heparin (LMWH) from heparin or heparosan. In this study, the gene of Δ4,5 and Δ4,5(Δ20) unsaturated glycuronidase (EC# 22.214.171.124) from Pedobacter heparinus (formerly Flavobacterium heparinum) was cloned into pMAL-c2x plasmid. Its fusion protein with MBP was expressed in Escherichia coli TB1. After purification, Δ4,5 unsaturated glycuronidase was evaluated. The Δ4,5(Δ20) glycuronidase showed excellent activity on the unsaturated bonds of the different depolymerized products from Hep I, Hep II, and Hep III on heparin, heparosan, and heparan sulfate.;
Carbohydrate Polymers, 134, 151–157; Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
The Linhardt Research Labs.; The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS);
The Linhardt Research Labs Online Collection; Rensselaer Polytechnic Institute, Troy, NY; https://harc.rpi.edu/;