Construction and structure studies of DNA-bipyridine complexes as versatile scaffolds for site-specific incorporation of metal ions into DNA.
DNA material
DNA scaffold
click reaction
metallic DNA
propargyl-DNA
Journal
Journal of biomolecular structure & dynamics
ISSN: 1538-0254
Titre abrégé: J Biomol Struct Dyn
Pays: England
ID NLM: 8404176
Informations de publication
Date de publication:
Feb 2019
Feb 2019
Historique:
pubmed:
16
2
2018
medline:
4
9
2019
entrez:
16
2
2018
Statut:
ppublish
Résumé
The facile construction of metal-DNA complexes using 'Click' reactions is reported here. A series of 2'-propargyl-modified DNA oligonucleotides were initially synthesized as structure scaffolds and were then modified through 'Click' reaction to incorporate a bipyridine ligand equipped with an azido group. These metal chelating ligands can be placed in the DNA context in site-specific fashion to provide versatile templates for binding various metal ions, which are exchangeable using a simple EDTA washing-and-filtration step. The constructed metal-DNA complexes were found to be thermally stable. Their structures were explored by solving a crystal structure of a propargyl-modified DNA duplex and installing the bipyridine ligands by molecular modeling and simulation. These metal-DNA complexes could have wide applications as novel organometallic catalysts, artificial ribonucleases, and potential metal delivery systems.
Identifiants
pubmed: 29447072
doi: 10.1080/07391102.2018.1441071
pmc: PMC6715418
mid: NIHMS1045072
doi:
Substances chimiques
Ions
0
Ligands
0
Metals
0
Nucleic Acid Heteroduplexes
0
Oligonucleotides
0
2,2'-Dipyridyl
551W113ZEP
DNA
9007-49-2
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
551-561Subventions
Organisme : NIGMS NIH HHS
ID : R01 GM064328
Pays : United States
Organisme : NIGMS NIH HHS
ID : R01 GM121844
Pays : United States
Organisme : NIGMS NIH HHS
ID : R15 GM124627
Pays : United States
Organisme : NINDS NIH HHS
ID : R21 NS063871
Pays : United States
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