N. Nagesh et D. Chatterji, A USEFUL METHOD FOR THE SYNTHESIS OF 8-AZIDOGUANOSINE TRIPHOSPHATE AND TETRAPHOSPHATE - IMPORTANT SUBSTRATES FOR MANY ENZYMATIC-REACTIONS, Journal of biochemical and biophysical methods, 35(1), 1997, pp. 61-66
8-N(3)GMP was synthesised from 8-BrGMP by the addition of LiN3. 8-N(3)
GMP was then phosphorylated to N-3-GDP and N-3-GTP by controlled enzym
atic reaction. 8-N(3)GDP can be converted to N-3-ppGpp with crude Rel
A, which phosphorylates the 3'-OH of GDP. (C) 1997 Elsevier Science B.
V.