GO molecular function ontology term - GO:0004484 - mRNA guanylyltransferase activity
Term summary
- ID
- GO:0004484
- Name
- mRNA guanylyltransferase activity
- Ontology or CV name
- GO molecular function
- Definition
- Catalysis of the reaction: GTP + (5')pp-Pur-mRNA = diphosphate + G(5')ppp-Pur-mRNA; G(5')ppp-Pur-mRNA is mRNA containing a guanosine residue linked 5' through three phosphates to the 5' position of the terminal residue.