mRNA guanylyltransferase activity

id: GO:0004484
name: mRNA guanylyltransferase activity
namespace: molecular_function
type: go
obsolete: False

Description: 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.

Parent Functions

idname
GO:0008192RNA guanylyltransferase activity