Interrelation between Orn and glutamate pathways
in Pro biosynthesis. GSA, Glutamic-γ-semialdehyde; KAV,
α-ketoaminovalerate; P2C,
Δ1-pyrroline-2-carboxylate; P2CR,
Δ1-pyrroline-2-carboxylate reductase; PO/D, Pro
oxidase/dehydrogenase; P5CD, P5C dehydrogenase.