title: Enzyme cleaving the 5'-terminal methylated blocked structure of messenger RNA.
mesh_terms: D002499:Centrifugation, Density Gradient; D007700:Kinetics; D010727:Phosphoric Diester Hydrolases / Q000378:metabolism*; D010944:Plants / Q000201:enzymology; D010947:Plants, Toxic; D012333:RNA, Messenger; D012367:RNA, Viral; D012260:Ribonucleases / Q000378:metabolism*; D014026:Nicotiana / Q000201:enzymology
chemical_list: D012333:RNA, Messenger; D012367:RNA, Viral; D012260:Ribonucleases; D010727:Phosphoric Diester Hydrolases