LR and [D-Gln4]LR peptides bind the mono- mer−monomer interface of human thymidylate synthase and inhibit cancer cell growth. Here, proline-mutated LR peptides were synthesized. Molecular dynamics calculations and circular dichroism spectra have provided a consistent picture of the conformational propensities of the [Pron]-peptides. [Pro3]LR and [Pro4]LR show improved cell growth inhibition and similar intracellular protein modulation compared with LR. These represent a step forward to the identification of more rigid and metabolically stable peptides.
Conformational Propensity and Biological Studies of Proline Mutated LR Peptides Inhibiting Human Thymidylate Synthase and Ovarian Cancer Cell Growth / Saxena, Puneet; Severi, Leda; Santucci, Matteo; Taddia, Laura; Ferrari, Stefania; Luciani, Rosaria; Marverti, Gaetano; Marraccini, Chiara; Tondi, Donatella; Mor, Marco; Laura, Scalvini; Vitiello, Simone; Losi, Lorena; Fonda, Sergio; Pacifico, Salvatore; Guerrini, Remo; D'Arca, Domenico; Ponterini, Glauco; Costi, Maria Paola. - In: JOURNAL OF MEDICINAL CHEMISTRY. - ISSN 0022-2623. - (2018), pp. 7374-7380. [10.1021/acs.jmedchem.7b01699]
Conformational Propensity and Biological Studies of Proline Mutated LR Peptides Inhibiting Human Thymidylate Synthase and Ovarian Cancer Cell Growth
Puneet Saxena;Leda Severi;Matteo Santucci;Laura Taddia;Stefania Ferrari;Rosaria Luciani;Gaetano Marverti;Chiara Marraccini;Donatella Tondi;Marco Mor;VITIELLO, SIMONE;Lorena Losi;Sergio Fonda;Salvatore Pacifico;Remo Guerrini;Domenico D’Arca;Glauco Ponterini
;Maria Paola Costi
2018
Abstract
LR and [D-Gln4]LR peptides bind the mono- mer−monomer interface of human thymidylate synthase and inhibit cancer cell growth. Here, proline-mutated LR peptides were synthesized. Molecular dynamics calculations and circular dichroism spectra have provided a consistent picture of the conformational propensities of the [Pron]-peptides. [Pro3]LR and [Pro4]LR show improved cell growth inhibition and similar intracellular protein modulation compared with LR. These represent a step forward to the identification of more rigid and metabolically stable peptides.
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