Fluorescence Turn-Off Ligand for Parallel G-Quadruplexes.
9-methoxyluminarine
CD spectroscopy
UV–vis spectroscopy
fluorescence
parallel G-quadruplexes
Journal
Molecules (Basel, Switzerland)
ISSN: 1420-3049
Titre abrégé: Molecules
Pays: Switzerland
ID NLM: 100964009
Informations de publication
Date de publication:
18 Aug 2024
18 Aug 2024
Historique:
received:
08
07
2024
revised:
14
08
2024
accepted:
16
08
2024
medline:
1
9
2024
pubmed:
31
8
2024
entrez:
29
8
2024
Statut:
epublish
Résumé
Parallel-stranded G-quadruplex structures are found to be common in the human promoter sequences. We tested highly fluorescent 9-methoxyluminarine ligand (9-MeLM) binding interactions with different parallel G-quadruplexes DNA by spectroscopic methods such as fluorescence and circular dichroism (CD) titration as well as UV melting profiles. The results showed that the studied 9-MeLM ligand interacted with the intramolecular parallel G-quadruplexes (G4s) with similar affinity. The binding constants of 9-methoxyluminarine with different parallel G4s were determined. The studies upon oligonucleotides with different flanking sequences on c-
Identifiants
pubmed: 39202986
pii: molecules29163907
doi: 10.3390/molecules29163907
pmc: PMC11357100
pii:
doi:
Substances chimiques
Ligands
0
DNA
9007-49-2
Fluorescent Dyes
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
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