R698


H<sub>2</sub>O
H2O
P<sup>1</sup>,P<sup>4</sup>-<i>bis</i>(5
P1,P4-bis(5'-guanosyl) tetraphosphate
H<SUP>+</SUP>
(2) H+
GTP
GTP
GMP
GMP




Databases
MetaCyc:  3.6.1.17-RXN
RHEA:  22487
KEGG:  R01232