Abstract

RNA-binding proteins (RBPs) frequently regulate the post-transcriptional fate of target mRNAs. To identify novel target mRNAs of RBPs, we incubate total RNA with recombinant RBP and immunoselect the messenger-ribonucleoproteins using a specific anti-RBP antibody. The mRNA composition of the supernatant and/or immunoprecipitated fraction is analyzed using dual-color microarrays in comparison with control reaction. From start to finish, the protocol takes approximately 6 d.

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