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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Kalinina, Juliya Dutta, Kaushik Ilghari, Dariush Beenken, Andrew Goetz, Regina Eliseenkova, Anna V. Cowburn, David Mohammadi, Moosa |
| Description | Country affiliation: United States Author Affiliation: Kalinina J ( Department of Pharmacology, New York University School of Medicine, 550, First Avenue, New York, NY 10016, USA.) |
| Abstract | Uncontrolled fibroblast growth factor (FGF) signaling can lead to human malignancies necessitating multiple layers of self-regulatory control mechanisms. Fibroblast growth factor receptor (FGFR) autoinhibition mediated by the alternatively spliced immunoglobulin (Ig) domain 1 (D1) and the acid box (AB)-containing linker between D1 and Ig domain 2 (D2) serves as the first line of defense to minimize inadvertent FGF signaling. In this report, nuclear magnetic resonance and surface plasmon resonance spectroscopy are used to demonstrate that the AB subregion of FGFR electrostatically engages the heparan sulfate (HS)-binding site on the D2 domain in cis to directly suppress HS-binding affinity of FGFR. Furthermore, the cis electrostatic interaction sterically autoinhibits ligand-binding affinity of FGFR because of the close proximity of HS-binding and primary ligand-binding sites on the D2 domain. These data, together with the strong amino acid sequence conservation of the AB subregion among FGFR orthologs, highlight the universal role of the AB subregion in FGFR autoinhibition. |
| File Format | HTM / HTML |
| ISSN | 09692126 |
| e-ISSN | 18784186 |
| DOI | 10.1016/j.str.2011.10.022 |
| Journal | Structure |
| Issue Number | 1 |
| Volume Number | 20 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-01-11 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Discipline Molecular Biology Discipline Biochemistry Discipline Biotechnology Fibroblast Growth Factors Metabolism Models, Molecular Protein Structure, Tertiary Genetics Receptors, Fibroblast Growth Factor Signal Transduction Physiology Alternative Splicing Amino Acid Sequence Conserved Sequence Heparitin Sulfate Molecular Sequence Data Nuclear Magnetic Resonance, Biomolecular Protein Binding Static Electricity Surface Plasmon Resonance Research Support, N.i.h., Extramural |
| Content Type | Text |
| Resource Type | Article |
| Subject | Structural Biology Molecular Biology |
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