SDS‐PAGE procedure: Application for characterization of new entirely uncharged nucleic acids analogs

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EarlyView Article

  • Published: Nov 29, 2017
  • Author: Anna S. Pavlova, Evgeniya S. Dyudeeva, Maxim S. Kupryushkin, Nariman V. Amirkhanov, Dmitrii V. Pyshnyi, Inna A. Pyshnaya


SDS‐PAGE is considered to be a universal method for size‐based separation and analysis of proteins. In this study, we applied the principle of SDS‐PAGE to the analysis of new entirely uncharged nucleic acid (NA) analogues, – phosphoryl guanidine oligonucleotides (PGOs). The procedure was also shown to be suitable for morpholino oligonucleotides (PMOs) and peptide nucleic acids (PNAs). It was demonstrated that SDS can establish hydrophobic interactions with these types of synthetic NAs, giving them a net negative charge and thus making these molecules mobile in polyacrylamide slab gels under the influence of an electric field.

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