GTP diphosphokinase

Definition:

EC Tree > 2 Transferases > 2.7 Transferring phosphorus-containing groups > 2.7.6 Diphosphotransferases > 2.7.6.5 GTP diphosphokinase
GTP diphosphokinase ( stringent factor) is the (p)ppGpp-biosynthesis enzyme. It transfers a pyrophosphoryl from ATP onto GTP, releasing AMP and guanosine 3'-diphosphate 5'-triphosphate (pppGpp); GDP can also act as acceptor, producing ppGpp. Expected in Eukaryota and Bacteria.

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