PRJDB2894 PAPD5-mediated adenylation of miR-21 PAPD5-mediated 3' adenylation and subsequent degradation of oncomiR miR-21 is disrupted in proliferative disease PAPD5-mediated adenylation of miR-21 bioproject PRJDB2894 PRJDB2894 true PAPD5-mediated 3' adenylation and subsequent degradation of oncomiR miR-21 is disrupted in proliferative disease