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| Content Provider | MDPI |
|---|---|
| Author | Nagae, Masamichi Yamaguchi, Yoshiki |
| Abstract | Linear polysaccharides are typically composed of repeating mono- or disaccharide units and are ubiquitous among living organisms. Polysaccharide diversity arises from chain-length variation, branching, and additional modifications. Structural diversity is associated with various physiological functions, which are often regulated by cognate polysaccharide-binding proteins. Proteins that interact with linear polysaccharides have been identified or developed, such as galectins and polysaccharide-specific antibodies, respectively. Currently, data is accumulating on the three-dimensional structure of polysaccharide-binding proteins. These proteins are classified into two types: exo-type and endo-type. The former group specifically interacts with the terminal units of polysaccharides, whereas the latter with internal units. In this review, we describe the structural aspects of exo-type and endo-type protein-polysaccharide interactions. Further, we discuss the structural basis for affinity and specificity enhancement in the face of inherently weak binding interactions. |
| File Size | 2600960 |
| Ending Page | 3783 |
| Page Count | 16 |
| Starting Page | 3768 |
| File Format | |
| e-ISSN | 14220067 |
| DOI | 10.3390/ijms15033768 |
| Journal | International Journal of Molecular Sciences |
| Issue Number | 3 |
| Volume Number | 15 |
| Language | English |
| Publisher Date | 2014-03-03 |
| Access Restriction | Open |
| Subject Keyword | polysaccharide lectin 3D structure polylactosamine galectin carbohydrate binding module β-glucan polysialic acid antibody affinity hyaluronan CD44 |
| Content Type | Text |
| Resource Type | Article |
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