Novel insights into nucleoamino acids: biomolecular recognition and aggregation studies of a thymine-conjugated L-phenyl alanine

Amino Acids
Giovanni N Roviello

Abstract

This article deals with the synthesis in solid phase and characterization of a nucleoamino amide, based on a phenylalaninamide moiety which was N-conjugated to a thymine nucleobase. In analogy to the natural nucleobase-amino acid conjugates, endowed with a wide range of biological properties, the nucleoamino amide interacts with single-stranded nucleic acids as verified in DNA- and RNA-binding assays conducted by CD and UV spectroscopies. These technologies were used to show also that this conjugate binds serum proteins altering significantly their secondary structure, as evidenced by CD and UV using BSA as a model. The biomolecular recognition seems to rely on the ability of the novel compound to bind aromatic and heteroaromatic moieties in protein and nucleic acids, not hindered by its propensity to self-assemble in aqueous solution, behavior suggested by dynamic light scattering (DLS) and CD spectroscopy in concentration- and temperature-dependent experiments. Finally, the high stability in human serum concurs to define the picture of the nucleoamino amide: this enzymatically stable drug candidate could interfere with protein and single-stranded nucleic acid-driven biological processes, particularly those associated with mRN...Continue Reading

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Citations

Mar 21, 2019·Anti-cancer Agents in Medicinal Chemistry·Heba A E Mohamed, Hossa F Al-Shareef
Mar 7, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Nicola BorboneGiorgia Oliviero
Jul 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Pasqualina Liana ScognamiglioGiovanni Nicola Roviello

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Methods Mentioned

BETA
NMR
light scattering
dynamic laser light-scattering

Software Mentioned

WebLab ViewerPro
Molinspiration

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