Serial interactome capture of the human cell nucleus

Thomas Conrad, Anne-Susann Albrecht, Veronica Rodrigues de Melo Costa, Sascha Sauer, David Meierhofer and Ulf Andersson Ørom ()
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Thomas Conrad: Max Planck Institute for Molecular Genetics, Otto Warburg Laboratories
Anne-Susann Albrecht: Max Planck Institute for Molecular Genetics, Otto Warburg Laboratories
Veronica Rodrigues de Melo Costa: Max Planck Institute for Molecular Genetics, Otto Warburg Laboratories
Sascha Sauer: Max Planck Institute for Molecular Genetics, Otto Warburg Laboratories
David Meierhofer: Max Planck Institute for Molecular Genetics, Mass Spectrometry Core Facility
Ulf Andersson Ørom: Max Planck Institute for Molecular Genetics, Otto Warburg Laboratories

Nature Communications, 2016, vol. 7, issue 1, 1-11

Abstract: Abstract Novel RNA-guided cellular functions are paralleled by an increasing number of RNA-binding proteins (RBPs). Here we present ‘serial RNA interactome capture’ (serIC), a multiple purification procedure of ultraviolet-crosslinked poly(A)–RNA–protein complexes that enables global RBP detection with high specificity. We apply serIC to the nuclei of proliferating K562 cells to obtain the first human nuclear RNA interactome. The domain composition of the 382 identified nuclear RBPs markedly differs from previous IC experiments, including few factors without known RNA-binding domains that are in good agreement with computationally predicted RNA binding. serIC extends the number of DNA–RNA-binding proteins (DRBPs), and reveals a network of RBPs involved in p53 signalling and double-strand break repair. serIC is an effective tool to couple global RBP capture with additional selection or labelling steps for specific detection of highly purified RBPs.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11212

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DOI: 10.1038/ncomms11212

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