[[(3~{a}~{R},4~{R},6~{R},6~{a}~{R})-4-(2-azanyl-6-oxidanylidene-1~{H}-purin-9-yl)-2-oxidanyl-2-oxidanylidene-3~{a},4,6,6~{a}-tetrahydrofuro[3,4-d][1,3,2]dioxaphosphol-6-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate
Q931Q4 — GTP pyrophosphokinase ppGpp synthase