摘要：

Ribonucleic acids (RNA) are an attractive target for drug discovery since they play critical roles in cellular functions. Because small structured subdomains are known to mimic the behavior of the entire RNA, it is possible to design RNA drug targets that are amenable to interrogation by high performance mass spectrometry. We have developed a high throughput drug discovery platform that uses electrospray ionization Fourier transform ion cyclotron mass spectrometry to investigate ligand binding to structured RNA drug targets. This assay is called multitarget affinity/specificity screening (MASS). Using MASS, we show that it is possible to screen synthetic and natural product libraries in a high throughput and robust manner.

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