The study of multivalent carbohydrate-protein interactions by bio-layer interferometry

被引:25
|
作者
Laigre, Eugenie [1 ]
Goyard, David [1 ]
Tiertant, Claire [1 ]
Dejeu, Jerome [1 ]
Renaudet, Olivier [1 ]
机构
[1] Univ Grenoble Alpes, CNRS, DCM UMR 5250, F-38000 Grenoble, France
基金
欧洲研究理事会;
关键词
LECTIN; AFFINITY; DESIGN; GLYCODENDRIMERS; GLYCOMIMETICS; GLYCOCLUSTERS;
D O I
10.1039/c8ob01664j
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The study of complex multivalent carbohydrate-protein interactions remains highly complicated and sometimes rendered impossible due to aggregation problems. In this study, we demonstrate that bio-layer interferometry is an excellent complementary method to standard techniques such as SPR and ITC. Using tetra-and hexadecavalent GalNAc glycoconjugates and Helix pomatia agglutinin (HPA) as a model lectin, we were able to measure reliable kinetic and thermodynamic parameters of multivalent interactions going from the micro to the nanomolar range.
引用
收藏
页码:8899 / 8903
页数:5
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