Sigma-Aldrich® Advanced Genomics is the exclusive provider of the TRC1.5 and TRC2 collections from The RNAi Consortium (TRC). These lentivirus-based shRNA libraries deliver unparalleled coverage and are available in multiple formats that include whole-genome, individual RNAi clones/vectors, and gene family sets. Available in standard glycerol format or higher quality DNA and lentiviral formats.