PPP1CB and cancer: To determine whether MYC and its putative interactor, PP1/PNUTS, are both expressed in cancer, we examine the amplification status of the MYC gene, as well as genes of the PP1/PNUTS holoenzyme (PPP1CA, PPP1CB, PPP1CC, and PPP1R10) in The Cancer Genome Atlas (TCGA) datasets.