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http://hdl.handle.net/10261/161760
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Benito, S. | es_ES |
dc.contributor.author | Ferrer, A. | es_ES |
dc.contributor.author | Benavou, S. | es_ES |
dc.contributor.author | Aviñó, Anna | es_ES |
dc.contributor.author | Eritja Casadellà, Ramón | es_ES |
dc.contributor.author | Gargallo, Raimundo | es_ES |
dc.date.accessioned | 2018-03-07T10:46:49Z | - |
dc.date.available | 2018-03-07T10:46:49Z | - |
dc.date.issued | 2018-05-05 | - |
dc.identifier.citation | Spectrochimica Acta - A - Molecular and Biomolecular Spectroscopy: 196: 185-195 (2018) | es_ES |
dc.identifier.uri | http://hdl.handle.net/10261/161760 | - |
dc.description.abstract | Guanine-rich sequences may fold into highly ordered structures known as G-quadruplexes. Apart from the monomeric G-quadruplex, these sequences may form multimeric structures that are not usually considered when studying interaction with ligands. This work studies the interaction of a ligand, crystal violet, with three guanine-rich DNA sequences with the capacity to form multimeric structures. These sequences correspond to short stretches found near the promoter regions of c-kit and SMARCA4 genes. Instrumental techniques (circular dichroism, molecular fluorescence, size-exclusion chromatography and electrospray ionization mass spectrometry) and multivariate data analysis were used for this purpose. The polymorphism of G-quadruplexes was characterized prior to the interaction studies. The ligand was shown to interact preferentially with the monomeric G-quadruplex; the binding stoichiometry was 1:1 and the binding constant was in the order of 105 M−1 for all three sequences. The results highlight the importance of DNA treatment prior to interaction studies. | es_ES |
dc.description.sponsorship | We thank the Spanish government for the funding provided (CTQ2015-66254-C2-2-P, CTQ2014-61758-EXP and CTQ2014-52588-R) and the Catalan government for its recognition (2014SGR1106). We also thank Laura Ortiz and Irene Fernandez (Scientific and Technological Centers, UB) for the useful discussions about interpreting MS spectra. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation.isversionof | Postprint | es_ES |
dc.rights | openAccess | en_EN |
dc.subject | G-quadruplex | es_ES |
dc.subject | Crystal violet | es_ES |
dc.subject | Binding equilibria | es_ES |
dc.subject | Polymorphism | es_ES |
dc.subject | Multivariate analysis | es_ES |
dc.title | Evaluation of the effect of polymorphism on G-quadruplex-ligand interaction by means of spectroscopic and chromatographic techniques | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1016/j.saa.2018.02.006 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | https://doi.org/10.1016/j.saa.2018.02.006 | es_ES |
dc.embargo.terms | 2020-05-05 | es_ES |
dc.rights.license | http://creativecommons.org/licenses/by-nc-nd/4.0/ | - |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
Aparece en las colecciones: | (IQAC) Artículos |
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Evaluation of the effect of polymorphism on G-quadruplexligand.pdf | 4,12 MB | Adobe PDF | Visualizar/Abrir |
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