Pirophosphate (PPi)
Pirofosforic acid
Diphosphate (Di-P)

H4O7P2

Urea cycle (3D)

Catabolism of methionine, threonine, valine and isoleucine (3D)

Fatty acids activation (3D)

Synthesis of histidine (steps 3.6.1.31; 2.4.2.17 and 3.1.3.15)
3D (steps 3.6.1.31; 2.4.2.17 and 3.1.3.15)

Synthesis of tryptophan (3D)

Cholesterol biosynthesis (steps 2.5.1.1 and 2.5.1.10)
3D (steps 2.5.1.1 and 2.5.1.10)

Synthesis of glycogen (3D)

Phospholipids synthesis (steps 2.7.7.41; 2.7.7.15 and 2.7.7.14)
3D (steps 2.7.7.41; 2.7.7.15 and 2.7.7.14)

Purine Ribonucleotides synthesis (steps 2.4.2.12 and 6.3.4.1)
3D (steps 2.4.2.12 and 6.3.4.1)