Application Note: Protein identification via next-generation protein sequencing and proteome-wide mapping

3 July 2023

Protein identification is of fundamental importance in many areas of proteomics. Applications include determination of the presence or absence of an expected protein in a sample of interest, identification of an unknown protein present in a biological sample, and identification of a protein responsible for a biochemical activity in an isolated protein fraction. In some cases, mass spectrometry or affinity-based methods may be suitable options, but these methods can face substantial challenges when the protein of interest is unknown, with certain amino acid sequences or reliable detection of post-translational modifications (PTMs).

In this application note, discover how Quantum-Si has integrated single-molecule sequencing output with automated cloud-based algorithms for proteome-wide mapping of sequencing data. This will enable accurate protein identification, and offer a solution based on direct sequencing, and provide more accessible tools for discovery in protein science.

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