crac clash PSI-MI 2015-06-15T11:45:38Z This method is a variation of CRAC where after combined cross-linking and affinity purification of protein-RNA complexes, RNA-RNA interactions are specifically detected. Base-paired RNA molecules can be linked together while tagging RNA with oligonucleotides, generating chimeric RNAs that allow identification of RNA-RNA pairs. cross-linking, ligation, and sequencing of hybrids MI:2195 ppm CLASH clash