GTP guanylyltransferase activity

Term ID

GO:0047351

Synonyms

• GTP:GTP guanylyltransferase activity
• guanosine-triphosphate guanylyltransferase activity

Definition

Catalysis of the reaction: 2 GTP + H+ = P(1),P(4)-bis(5'-guanosyl) tetraphosphate + diphosphate + H+.

References

• EC:2.7.7.45
• KEGG_REACTION:R00012
• MetaCyc:2.7.7.45-RXN
• RHEA:18153

Ontology

GO: Molecular Function    QuickGO    AmiGO