Figure 6: Arginine metabolism in cell, processes involved in the development of cancer. Abbreviations: NOS, nitric oxide synthase; ARG, arginase; OAT, ornithine amino transferase; P5C, pyrroline 5-carboxylate; ODC, ornithine decarboxylase; AZI, antizyme inhibitor; AZ, antizyme; MYC, myc proto-oncogene protein; eIF5A2, eukaryotic translation initiation factor 5A-2; H2O2, hydrogen peroxide).