Cited by 127Proteoglycans and glycosaminoglycans researchGlycosylation and Glycoproteins ResearchCell Adhesion Molecules Research

Structural Basis for Interactions between Tenascins and Lectican C-Type Lectin Domains

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Lundell, Anna, Olin, Anders I., Mörgelin, Matthias, al-Karadaghi, Salam, Aspberg, Anders, Logan, Derek T.·2004·Structure

Abstract

The C-terminal G3 domains of lecticans mediate crosslinking to diverse extracellular matrix (ECM) proteins during ECM assembly, through their C-type lectin (CLD) subdomains. The structure of the rat aggrecan CLD in a Ca(2+)-dependent complex with fibronectin type III repeats 3-5 of rat tenascin-R provides detailed support for such crosslinking. The CLD loops bind Ca2+ like other CLDs, but no carbohydrate binding is observed or possible. This is thus the first example of a direct Ca(2+)-dependent protein-protein interaction of a CLD. Surprisingly, tenascin-R does not coordinate the Ca2+ ions directly. Electron microscopy confirms that full-length tenascin-R and tenascin-C crosslink hyaluronan-aggrecan complexes. The results are significant for the binding of all lectican CLDs to tenascin-R and tenascin-C. Comparison of the protein interaction surface with that of P-selectin in complex with the PGSL-1 peptide suggests that direct protein-protein interactions of Ca(2+)-binding CLDs may be more widespread than previously appreciated.

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Crossref · 10.1016/j.str.2004.05.021

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Authors
Lundell, A., Olin, A. I., Mörgelin, M., al-Karadaghi, S., Aspberg, A., & Logan, D. T.
Affiliations
Lund University (SE)
Corresponding author
Logan, Derek T.
Venue
Structure
Publisher
Elsevier BV
Published
2004-08
Volume
12
Issue
8
Pages
1495-1506
ISSN
0969-2126 (ISSN-L)
OpenAlex
W1690718176
Cited by
127
References
67
Citations by year
2025: 5 · 2024: 7 · 2023: 7 · 2022: 8 · 2021: 6 · 2020: 8 · 2019: 10 · 2018: 2 · 2017: 1 · 2016: 5 · 2015: 5 · 2014: 8 · 2013: 3 · 2012: 11
FWCI
1.39
Type
journal article
Language
en
Open access
Locations
  • Structure (publishedVersion)
  • PubMed (publishedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Funders
  • Stiftelsen Konung Gustaf V:s 80-årsfond
  • Vetenskapsrådet
  • Kungliga Fysiografiska Sällskapet i Lund
  • Stiftelsen för Strategisk Forskning
  • Crafoordska Stiftelsen
  • Greta och Johan Kocks stiftelser
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Proteoglycans and glycosaminoglycans research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Glycosylation and Glycoproteins Research
  • Health Sciences › Medicine › Immunology and Allergy › Cell Adhesion Molecules Research
Keywords
tenascin-R, tenascin-C, aggrecan, fibronectin type III repeats, calcium-dependent protein-protein interaction, extracellular matrix assembly, P-selectin, protein-protein interaction surfaces
MeSH terms
Amino Acid Sequence, Animals, Calcium, Cross-Linking Reagents, Hyaluronic Acid, Models, Molecular, Molecular Sequence Data, Protein Binding, Proteoglycans, Extracellular Matrix Proteins, Sequence Homology, Amino Acid, P-Selectin, Tenascin, Lectins, C-Type, Microscopy, Electron, Transmission, Carbohydrate Metabolism, Rats, Aggrecans

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