Construction and structure studies of DNA-bipyridine complexes as versatile scaffolds for site-specific incorporation of metal ions into 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
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

551-561

Subventions

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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Auteurs

Rui Wang (R)

a Department of Chemistry , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.
b The RNA Institute , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.

Srivathsan V Ranganathan (SV)

b The RNA Institute , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.

Phensinee Haruehanroengra (P)

a Department of Chemistry , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.
b The RNA Institute , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.

Song Mao (S)

a Department of Chemistry , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.
b The RNA Institute , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.

Matteo Scalabrin (M)

a Department of Chemistry , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.
b The RNA Institute , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.

Daniele Fabris (D)

a Department of Chemistry , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.
b The RNA Institute , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.

Alan Chen (A)

a Department of Chemistry , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.
b The RNA Institute , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.

Hehua Liu (H)

c State Key Laboratory of Genetic Engineering, Collaborative Innovation Center of Genetics and Development, Department of Physiology and Biophysics, School of Life Sciences , Fudan University , Shanghai 200433 , China.

Abdalla E A Hassan (AEA)

d Applied Nucleic Acids Research Center, Faculty of Science , Zagazig University , Zagazig , Egypt.

Jianhua Gan (J)

c State Key Laboratory of Genetic Engineering, Collaborative Innovation Center of Genetics and Development, Department of Physiology and Biophysics, School of Life Sciences , Fudan University , Shanghai 200433 , China.

Jia Sheng (J)

a Department of Chemistry , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.
b The RNA Institute , University at Albany, State University of New York , 1400 Washington Ave., Albany , NY 12222 , USA.

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Classifications MeSH