Sugar nucleotide regeneration system for the synthesis of Bi-and triantennary N-glycans and exploring their activities against siglecs

MT Anwar, SK Kawade, YR Huo, AK Adak… - European Journal of …, 2022 - Elsevier
Enzymatic synthesis that is commenced by the sugar nucleotide regeneration system
(SNRS) protocol can minimize 1) the consumption of exorbitant sugar nucleotides, 2) the …

Expedient assembly of Oligo-LacNAcs by a sugar nucleotide regeneration system: Finding the role of tandem LacNAc and sialic acid position towards siglec binding

HR Wu, MT Anwar, CY Fan, PY Low, T Angata… - European Journal of …, 2019 - Elsevier
Abstract Sialosides containing (oligo-) N-acetyllactosamine (LacNAc, Galβ (1, 4) GlcNAc) as
core structure are known to serve as ligands for Siglecs. However, the role of tandem inner …

[HTML][HTML] Efficient chemoenzymatic synthesis of an N-glycan isomer library

L Li, Y Liu, C Ma, J Qu, AD Calderon, B Wu, N Wei… - Chemical …, 2015 - pubs.rsc.org
Quantification, characterization and biofunctional studies of N-glycans on proteins remain
challenging tasks due to the complexity, diversity and low abundance of these glycans. The …

Determination of modulation of ligand properties of synthetic complex‐type biantennary N‐glycans by introduction of bisecting GlcNAc in silico, in vitro and in vivo

S André, C Unverzagt, S Kojima… - European journal of …, 2004 - Wiley Online Library
We have investigated the consequences of introducing a bisecting GlcNAc moiety into
biantennary N‐glycans. Computational analysis of glycan conformation with prolonged …

Synthesis of modular building blocks using glycosyl phosphate donors for the construction of asymmetric N-glycans

S Dey, SO Bajaj, TI Tsai, HJ Lo, K Wu, CH Wong - Tetrahedron, 2018 - Elsevier
Glycosyl phosphates are known as versatile donors for the synthesis of complex
oligosaccharides both chemically and enzymatically. Herein, we report the stereoselective …

[HTML][HTML] Chemoenzymatic synthesis of glycopeptides bearing rare N-glycan sequences with or without bisecting GlcNAc

W Yang, S Ramadan, J Orwenyo, T Kakeshpour… - Chemical …, 2018 - pubs.rsc.org
N-Linked glycopeptides have highly diverse structures in nature. Herein, we describe the
first synthesis of rare multi-antennary N-glycan bearing glycan chains on 6-OH of both α1, 6 …

One pot synthesis of GDP‐mannose by a multi‐enzyme cascade for enzymatic assembly of lipid‐linked oligosaccharides

TFT Rexer, A Schildbach, J Klapproth… - Biotechnology and …, 2018 - Wiley Online Library
Glycosylation of proteins is a key function of the biosynthetic‐secretory pathway in the
endoplasmic reticulum (ER) and Golgi apparatus. Glycosylated proteins play a crucial role in …

[HTML][HTML] The β-N-Acetylhexosaminidase in the Synthesis of Bioactive Glycans: Protein and Reaction Engineering

P Bojarová, N Kulik, M Hovorková, K Slámová… - Molecules, 2019 - mdpi.com
N-Acetylhexosamine oligosaccharides terminated with GalNAc act as selective ligands of
galectin-3, a biomedically important human lectin. Their synthesis can be accomplished by β …

Synthesis and Binding of Mannose‐Specific Synthetic Carbohydrate Receptors

MF Bravo, K Palanichamy, MA Shlain… - … A European Journal, 2020 - Wiley Online Library
Synthetic carbohydrate receptors (SCRs) that selectively recognize cell‐surface glycans
could be used for detection, drug delivery, or as therapeutics. Here we report the synthesis …

Construction of a High‐Mannose‐Type Glycan Library by a Renewed Top‐Down Chemo‐Enzymatic Approach

K Fujikawa, A Koizumi, M Hachisu… - … A European Journal, 2015 - Wiley Online Library
A comprehensive method for the construction of a high‐mannose‐type glycan library by
systematic chemo‐enzymatic trimming of a single Man9‐based precursor was developed. It …