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mRNA guanylyltransferase activity

Term Information

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Accession
GO:0004484
Name
mRNA guanylyltransferase activity
Ontology
molecular_function
Synonyms
GTP:mRNA guanylyltransferase activity, GTP--RNA guanylyltransferase activity, mRNA capping enzyme activity, messenger RNA guanylyltransferase activity, protein lambda2
Alternate IDs
None
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. Source: EC:2.7.7.50
Comment
None
History
See term history for GO:0004484 at QuickGO
Chem. react.
has participant GTP(4-)
has participant diphosphate(3-)
has participant 5'-(5'-triphosphoguanosine)-(purine-ribonucleotide)(3-) residue
has participant 5'-end purine ribonucleoside 5'-diphosphate(3-) residue
has participant hydron
Subset
None
Include "regulates"
For more information, please see the ontology relation documentation.

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Graph of GO:0004484 from QuickGO

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Parents of mRNA guanylyltransferase activity (GO:0004484)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
mRNA guanylyltransferase activity [RO:0000057 relation] RO:0000057  GTP(4-) (CHEBI:37565)
mRNA guanylyltransferase activity [RO:0000057 relation] RO:0000057  diphosphate(3-) (CHEBI:33019)
mRNA guanylyltransferase activity [is_a relation] is_a  RNA guanylyltransferase activity (GO:0008192)
mRNA guanylyltransferase activity [RO:0000057 relation] RO:0000057  5'-(5'-triphosphoguanosine)-(purine-ribonucleotide)(3-) residue (CHEBI:136896)
mRNA guanylyltransferase activity [RO:0000057 relation] RO:0000057  5'-end purine ribonucleoside 5'-diphosphate(3-) residue (CHEBI:138276)
mRNA guanylyltransferase activity [RO:0000057 relation] RO:0000057  hydron (CHEBI:15378)

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