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  Biselectivity of isoDGR peptides for fibronectin binding integrin subtypes α5β1 and αvβ6: Conformational control through flanking amino acids

Bochen, A., Marelli, U. K., Otto, E., Pallarola, D., Mas-Moruno, C., Di Leva, F. S., et al. (2013). Biselectivity of isoDGR peptides for fibronectin binding integrin subtypes α5β1 and αvβ6: Conformational control through flanking amino acids. European Journal of Medicinal Chemistry, 56(4), 1509-1519. doi:10.1021/jm301221x.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-7684-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-5FF9-2
Genre: Journal Article

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 Creators:
Bochen, Alexander, Author
Marelli, Udaya Kiran, Author
Otto, Elke, Author
Pallarola, Diego1, 2, Author              
Mas-Moruno, Carlos, Author
Di Leva, Francesco Saverio, Author
Böhm, Heike1, 2, Author              
Spatz, Joachim P.1, 2, Author              
Novellino, Ettore, Author
Kessler, Horst, Author
Marinelli, Luciana, Author
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              
2Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany, ou_persistent22              

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 Abstract: Integrins are the major class of cell adhesion proteins. Their interaction with different ligands of the extracellular matrix is diverse. To get more insight into these interactions, artificial ligands endowed with a well-defined activity/selectivity profile are necessary. Herein, we present a library of cyclic pentapeptides, based on our previously reported peptide motif c(-phg-isoDGR-X-), in which high activity toward fibronectin binding integrins α5β1 and αvβ6 and not on vitronectin binding integrins αvβ3 and αvβ5 has been achieved by changing the flanking amino acids. The structure of the most promising candidates has been determined using a combined approach of NMR, distance geometry, and molecular dynamics simulations, and docking studies have been further used to elucidate the peptide-integrin interactions at the molecular level. The peptides' binding affinity has been characterized by enzyme linked immunosorbent assay experiments, and the results have been verified by cell adhesion experiments on specifically functionalized surfaces.

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Language(s): deu - German
 Dates: 2013-02-182013-01-30
 Publication Status: Published in print
 Pages: 11
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 Table of Contents: -
 Rev. Type: Peer
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Title: European Journal of Medicinal Chemistry
Source Genre: Journal
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Publ. Info: Elsevier
Pages: - Volume / Issue: 56 (4) Sequence Number: - Start / End Page: 1509 - 1519 Identifier: ISSN: 0223-5234
CoNE: https://pure.mpg.de/cone/journals/resource/0223-5234