RNA processing mRNA processing Any process involved in the conversion of a primary mRNA transcript into one or more mature mRNA(s) prior to translation into polypeptide. Reactome:REACT_100203 Reactome:REACT_107308 Reactome:REACT_109953 Reactome:REACT_113864 Reactome:REACT_114358 Reactome:REACT_115262 Reactome:REACT_1768 Reactome:REACT_32742 Reactome:REACT_33642 Reactome:REACT_82691 Reactome:REACT_90366 Reactome:REACT_91511 Reactome:REACT_93186 Reactome:REACT_94083 Reactome:REACT_96661 Reactome:REACT_97412 Reactome:REACT_97436 RNA metabolic process