guanosine-triphosphate guanylyltransferase activity

id: GO:0047351
name: guanosine-triphosphate guanylyltransferase activity
namespace: molecular_function
type: go
obsolete: False

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

Parent Functions

idname
GO:0070568guanylyltransferase activity