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1,3-Diketone-Modified Nucleotides and DNA for Cross-Linking with Arginine-Containing Peptides and Proteins
DL. Leone, M. Hubálek, R. Pohl, V. Sýkorová, M. Hocek
Jazyk angličtina Země Německo
Typ dokumentu časopisecké články, práce podpořená grantem
PubMed
34107150
DOI
10.1002/anie.202105126
Knihovny.cz E-zdroje
- MeSH
- arginin chemie MeSH
- DNA chemická syntéza chemie MeSH
- histony chemie MeSH
- ketony chemická syntéza chemie MeSH
- nádorový supresorový protein p53 chemie MeSH
- peptidy chemie MeSH
- proteiny chemie MeSH
- reagencia zkříženě vázaná chemická syntéza chemie MeSH
- sérový albumin hovězí chemie MeSH
- skot MeSH
- thiminnukleotidy chemická syntéza chemie MeSH
- zvířata MeSH
- Check Tag
- skot MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Linear or branched 1,3-diketone-linked thymidine 5'-O-mono- and triphosphate were synthesized through CuAAC click reaction of diketone-alkynes with 5-azidomethyl-dUMP or -dUTP. The triphosphates were good substrates for KOD XL DNA polymerase in primer extension synthesis of modified DNA. The nucleotide bearing linear 3,5-dioxohexyl group (HDO) efficiently reacted with arginine-containing peptides to form stable pyrimidine-linked conjugates, whereas the branched 2-acetyl-3-oxo-butyl (PDO) group was not reactive. Reaction with Lys or a terminal amino group formed enamine adducts that were prone to hydrolysis. This reactive HDO modification in DNA was used for bioconjugations and cross-linking with Arg-containing peptides or proteins (e.g. histones).
Citace poskytuje Crossref.org
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- $a Leone, Denise-Liu' $u Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nam. 2, 16610, Prague 6, Czech Republic $u Department of Organic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 12843, Prague 2, Czech Republic
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- $a Linear or branched 1,3-diketone-linked thymidine 5'-O-mono- and triphosphate were synthesized through CuAAC click reaction of diketone-alkynes with 5-azidomethyl-dUMP or -dUTP. The triphosphates were good substrates for KOD XL DNA polymerase in primer extension synthesis of modified DNA. The nucleotide bearing linear 3,5-dioxohexyl group (HDO) efficiently reacted with arginine-containing peptides to form stable pyrimidine-linked conjugates, whereas the branched 2-acetyl-3-oxo-butyl (PDO) group was not reactive. Reaction with Lys or a terminal amino group formed enamine adducts that were prone to hydrolysis. This reactive HDO modification in DNA was used for bioconjugations and cross-linking with Arg-containing peptides or proteins (e.g. histones).
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