Oligonucleotide Bioconjugation with Bifunctional Palladium Reagents.
bioconjugation
oligonucleotides
organometallic reagents
palladium oxidative addition complexes
proteins
Journal
Angewandte Chemie (International ed. in English)
ISSN: 1521-3773
Titre abrégé: Angew Chem Int Ed Engl
Pays: Germany
ID NLM: 0370543
Informations de publication
Date de publication:
17 05 2021
17 05 2021
Historique:
received:
03
03
2021
pubmed:
18
3
2021
medline:
14
9
2021
entrez:
17
3
2021
Statut:
ppublish
Résumé
Organometallic reagents enable practical strategies for bioconjugation. Innovations in the design of water-soluble ligands and the enhancement of reaction rates have allowed for chemoselective cross-coupling reactions of peptides and proteins to be carried out in water. There are currently no organometallic-based methods for oligonucleotide bioconjugation to other biomolecules. Here we report bifunctional palladium(II)-oxidative addition complexes (OACs) as reagents for high-yielding oligonucleotide bioconjugation reactions. These bifunctional OACs react chemoselectively with amine-modified oligonucleotides to generate the first isolable, bench stable oligonucleotide-palladium(II) OACs. These complexes undergo site-selective C-S arylation with a broad range of native thiol-containing biomolecules at low micromolar concentrations in under one hour. This approach provided oligonucleotide-peptide, oligonucleotide-protein, oligonucleotide-small molecule, and oligonucleotide-oligonucleotide conjugates in >80 % yield and afforded conjugation of multiple copies of oligonucleotides onto a monoclonal antibody.
Identifiants
pubmed: 33730425
doi: 10.1002/anie.202103180
pmc: PMC8143041
mid: NIHMS1689676
doi:
Substances chimiques
Cross-Linking Reagents
0
Oligonucleotides
0
Organometallic Compounds
0
Peptides
0
Palladium
5TWQ1V240M
Trastuzumab
P188ANX8CK
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
12109-12115Subventions
Organisme : NIGMS NIH HHS
ID : F32 GM131592
Pays : United States
Organisme : NIEHS NIH HHS
ID : P30 ES002109
Pays : United States
Informations de copyright
© 2021 Wiley-VCH GmbH.
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