期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 23, 期 2, 页码 480-483出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2012.11.049
关键词
Glycodendrimer; Concannavalin A; Perylene bisimide; Carbohydrate-lectin interactions
资金
- NSFC [21002020]
- Hebei Natural Science Foundation [B2011201052, B2012201041]
A novel glycodendrimer based on 18 peripheral alpha-D-mannoses functionalized perylene bisimide derivative PBI-18-Man was synthesized and its selectively binding interactions for Con A were investigated by CD spectra and turbidity assay, which exhibited strong binding affinity for Con A with the binding constant of 1.3 x 10(8) M-1 (7.2 x 10(6) M-1 for monomeric mannose, valency corrected), 3 orders of magnitude higher affinity than the monovalent mannose ligand. Furthermore, the inhibitory activity for Con A was studied by ELLA experiment, showed 2 times inhibitor activity than the reference compound (alpha-MMP). Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
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