| Name | mRNA guanylyltransferase activity |
| ID | GO_0004484 |
| collection_id | Molecular function |
| Exact synonym | GTP:mRNA guanylyltransferase activity |
| 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. |
| Related synonym | GTP--RNA guanylyltransferase activity, mRNA capping enzyme activity, messenger RNA guanylyltransferase activity, protein lambda2 |
| External URL | |
| Genes |