Combinatorial chemoenzymatic synthesis and high-throughput screening of sialosides

HA Chokhawala, S Huang, K Lau, H Yu… - ACS chemical …, 2008 - ACS Publications
Although the vital roles of structures containing sialic acid in biomolecular recognition are
well documented, limited information is available on how sialic acid structural modifications …

Recent developments in enzymatic synthesis of modified sialic acid derivatives

CC Yu, SG Withers - Advanced Synthesis & Catalysis, 2015 - Wiley Online Library
Sialic acid‐containing glycans play important roles in biology, but their synthesis by
standard chemical approaches is challenging. Enzymatic assembly is generally a better …

Advances in the biology and chemistry of sialic acids

X Chen, A Varki - ACS chemical biology, 2010 - ACS Publications
Sialic acids are a subset of nonulosonic acids, which are nine-carbon α-keto aldonic acids.
Natural existing sialic acid-containing structures are presented in different sialic acid forms …

Chemoenzymatic Synthesis of Sialosides Containing 7-N- or 7,9-Di-N-acetyl Sialic Acid as Stable O-Acetyl Analogues for Probing Sialic Acid-Binding Proteins

AS Kooner, S Diaz, H Yu, A Santra… - The Journal of organic …, 2021 - ACS Publications
A novel chemoenzymatic synthon strategy has been developed to construct a
comprehensive library of α2–3-and α2–6-linked sialosides containing 7-N-or 7, 9-di-N-acetyl …

[HTML][HTML] Highly Efficient Chemoenzymatic Synthesis of Naturally Occurring and Unnatural α2, 6-Linked Sialosides: A P. damsela α2, 6-Sialyltransferase with Extremely …

H Yu, S Huang, H Chokhawala, M Sun… - … (International ed. in …, 2006 - ncbi.nlm.nih.gov
Sialic acids are a family of α-keto acids with a 9-carbon backbone. They have been
predominantly found as terminal carbohydrate units on glycoproteins and glycolipids of …

On-chip synthesis and screening of a sialoside library yields a high affinity ligand for Siglec-7

CD Rillahan, E Schwartz, C Rademacher… - ACS chemical …, 2013 - ACS Publications
The Siglec family of sialic acid-binding proteins are differentially expressed on white blood
cells of the immune system and represent an attractive class of targets for cell-directed …

Enabling chemoenzymatic strategies and enzymes for synthesizing sialyl glycans and sialyl glycoconjugates

X Chen - Accounts of Chemical Research, 2023 - ACS Publications
Conspectus Sialic acids are fascinating negatively charged nine-carbon monosaccharides.
Sialic acid-containing glycans and glycoconjugates are structurally diverse, functionally …

Synthesis of sialic acid-containing saccharides

AK Adak, CC Yu, CF Liang, CC Lin - Current Opinion in Chemical Biology, 2013 - Elsevier
Highlights•Chemical synthesis provided access to O-linked and S-linked oligosialic
acids.•Oxazolidinone-protected sialyl donors enable α-selective sialylation.•Enzymatic …

Chemically Defined Sialoside Scaffolds for Investigation of Multivalent Interactions with Sialic Acid Binding Proteins

SA Kalovidouris, O Blixt, A Nelson, S Vidal… - The Journal of …, 2003 - ACS Publications
Four glycodendrons and a glycocluster were synthesized from carbohydrate building blocks
to form paucivalent (di-to tetravalent) structures of controlled scaffold architectures …

High‐throughput substrate specificity studies of sialidases by using chemoenzymatically synthesized sialoside libraries

HA Chokhawala, H Yu, X Chen - ChemBioChem, 2007 - Wiley Online Library
Sialidases, or neuraminidases, are enzymes that cleave terminal sialic acid (Sia) residues
from complex sialic acid‐containing structures. They have been found in many animals and …